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SF’s Free Workouts & Yoga Guide

It’s a New Year, Here’s 20+ free workouts, hikes & yoga classes to kick off 2018
By - posted 1/3/2018 No Comment

It’s a New Year, Here’s 20+ free workouts, hikes & yoga classes to kick off 2018 with bad-ass Friday hill-top workouts, Free Saturday yoga in Golden Gate Park, a free monthly workout from Fitbit, break a sweat (and cut a rug) with free outdoor swing dancing, and tons more ideas to get you moving and making new friends in 2018.

 


Wednesday, March 4

Intro to Personal Safety & Self-Defense Class | SF
Wednesday, March 4 – 6:30 pm - Ends at 7:30 pm | Cost: FREE*
*Free but an RSVP is required.
| Secret Location (SF)
Intro to Personal Safety & Self-Defense Class | SF

This one hour class provides an introduction to IMPACT Bay Area’s style of empowerment self-defense. In this class students develop intuition, situational awareness, congruent body language and verbal skills to deescalate and deter assault and harassment, as well as learn two simple and effective physical ...Monthly

Thursday, March 5

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, March 5 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Friday, March 6

Oakland Critical Mass | First Friday
Friday, March 6 – 8:00 pm | Cost: FREE | Frank H. Ogawa Plaza
Oakland Critical Mass | First Friday

Oakland Critical Mass is a monthly group bike ride that takes place every first Friday of the month, which starts at 8 pm at the BikeLink bike lockers at 14th and Broadway, and ends at 23rd and Telegraph where Oakland Art Murmur is underway. Critical Mass is argued ...Monthly

San Francisco Bike Party (First Fridays)
Friday, March 6 – 8:00 pm - Ends at 10:00 pm | Cost: FREE | Secret Location (SF)
San Francisco Bike Party (First Fridays)

San Francisco Bike Party  (not to be confused with Critical Mass) is a monthly celebration of biking for riders of different ages, types, and skill levels to enjoy. Every month is a different theme and you’re encouraged to dress up. San Francisco Bike Party is held on ...Monthly

Sunday, March 8

Oakland’s “Fans Fest” 2026
Sunday, March 8 – 11:00 am - Ends at 4:00 pm | Cost: FREE | Fruitvale Village
Oakland's "Fans Fest" 2026
Oakland 68s Fans Fest (Free) Sunday, March 8, 2026 | 11 a.m. to 4 p.m. Fruitvale Village, 3301–3451 E. 12th St., Oakland FREE If you bleed green and gold (or just love Oakland sports in general), head to the Oakland 68s’ annual Fans Fest at Fruitvale Village. The free, ...
Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, March 8 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Monday, March 9

Intro to Personal Safety & Self-Defense Class | Berkeley
Monday, March 9 – 7:00 pm - Ends at 8:00 pm | Cost: FREE*
*Free but an RSVP is required.
| Sports Basement (Berkeley)
Intro to Personal Safety & Self-Defense Class | Berkeley

This one hour class provides an introduction to IMPACT Bay Area’s style of empowerment self-defense. In this class students develop intuition, situational awareness, congruent body language and verbal skills to deescalate and deter assault and harassment, as well as learn two simple and effective physical ...Monthly

Thursday, March 12

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, March 12 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Friday, March 13

East Bay Bike Party (Every Second Friday)
Friday, March 13 – 7:30 pm | Cost: FREE | Secret Location (East Bay)
East Bay Bike Party (Every Second Friday)

The East Bay Bike Party is a monthly mobile party for riders of all ages, experience levels, and bike types, to meet, ride, and play together in the streets on the second Friday of the month with upwards of 400 riders usually meeting near an East ...Monthly

Saturday, March 14

San Francisco Giants FanFest 2026 at Oracle Park
Saturday, March 14 – 12:00 pm - Ends at 4:00 pm | Cost: FREE*
*Free admission, but there may be a parking charge. RSVP Required
| Oracle Park
San Francisco Giants FanFest 2026 at Oracle Park
KNBR’s 31st Giants FanFest takes place at Oracle Park in San Francisco on Saturday, March 14, 2026. Like last year, this event will take place during Spring Training while the team is in Arizona, so although there will be no active players at this event, ...
Free Beginner Parkour “Urban Ninja” Class
Saturday, March 14 – 12:00 pm - Ends at 1:30 pm | Cost: FREE | Secret Location
Free Beginner Parkour "Urban Ninja" Class

SF Parkour hosts a free Beginner’s Parkour Class at noon on the second Saturday of each month. It is geared towards first timers and lasts 1.5 hours. Location: Each month the location rotates through Sunnyvale, UC Berkeley and the Embarcadero in SF. Please check the ...Monthly

Sunday, March 15

SF’s Free “Sundays at the Beach” Tai Chi Day (Great Highway)
Sunday, March 15 – 10:00 am | Cost: FREE | The Great Highway
SF's Free "Sundays at the Beach" Tai Chi Day (Great Highway)

Join us for Tai Chi this Sunday! 10am at Judah and Great Highway Park This monthly course is for beginners and experienced students of tai chi alike. Plus, coffee is on us at @javabeachsf after the course. As a reminder, Sundays at the Beach is ...Monthly

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, March 15 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Thursday, March 19

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, March 19 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Friday, March 20

San Jose Bike Party
Friday, March 20 – 8:00 pm | Cost: FREE*
*Meet at 7:30 pm, roll at 8 pm.
| Secret San Jose Location
San Jose Bike Party

San Jose Bike Party is a place to ride bikes, make friends, and have a good time every third Friday of each month at 8 pm. San Jose is the largest city in Northern California, but they are hidden in the suburban sprawl. It’s time ...Monthly

Saturday, March 21

San Francisco Midnight Mystery Ride (Every Third Saturday)
Saturday, March 21 – 11:59 pm | Cost: FREE | Secret Location (SF)
San Francisco Midnight Mystery Ride (Every Third Saturday)

Every third Saturday, you are invited to bicycle with the San Francisco Midnight Mystery Ride as they set out to a new mystery location in SF. Where to meet? They’ll post ride start locations on their website and Facebook page, the day of the ride only; there’s ...Monthly

Sunday, March 22

SF’s “Sundays at the Beach” Free Yoga Day (Great Highway)
Sunday, March 22 – 12:00 pm | Cost: FREE | The Great Highway
SF's "Sundays at the Beach" Free Yoga Day (Great Highway)

Come flow with us every 4th Sundays! After the community yoga class, enjoy a cup of coffee on us at @javabeachsf to warm you up from our San Francisco summer weather. 12pm, Judah and Great Highway Park BYO mat and coffee mug. No registration required, ...Monthly

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, March 22 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Thursday, March 26

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, March 26 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Sunday, March 29

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, March 29 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Wednesday, April 1

Intro to Personal Safety & Self-Defense Class | SF
Wednesday, April 1 – 6:30 pm - Ends at 7:30 pm | Cost: FREE*
*Free but an RSVP is required.
| Secret Location (SF)
Intro to Personal Safety & Self-Defense Class | SF

This one hour class provides an introduction to IMPACT Bay Area’s style of empowerment self-defense. In this class students develop intuition, situational awareness, congruent body language and verbal skills to deescalate and deter assault and harassment, as well as learn two simple and effective physical ...Monthly

Thursday, April 2

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, April 2 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Friday, April 3

Oakland Critical Mass | First Friday
Friday, April 3 – 8:00 pm | Cost: FREE | Frank H. Ogawa Plaza
Oakland Critical Mass | First Friday

Oakland Critical Mass is a monthly group bike ride that takes place every first Friday of the month, which starts at 8 pm at the BikeLink bike lockers at 14th and Broadway, and ends at 23rd and Telegraph where Oakland Art Murmur is underway. Critical Mass is argued ...Monthly

San Francisco Bike Party (First Fridays)
Friday, April 3 – 8:00 pm - Ends at 10:00 pm | Cost: FREE | Secret Location (SF)
San Francisco Bike Party (First Fridays)

San Francisco Bike Party  (not to be confused with Critical Mass) is a monthly celebration of biking for riders of different ages, types, and skill levels to enjoy. Every month is a different theme and you’re encouraged to dress up. San Francisco Bike Party is held on ...Monthly

Sunday, April 5

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, April 5 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

SF’s Free “Sundays at the Beach” Chair Yoga Day (Great Highway)
Sunday, April 5 – 2:00 pm | Cost: FREE | The Great Highway
SF's Free "Sundays at the Beach" Chair Yoga Day (Great Highway)

Welcome to Sundays at the Beach! With help from @avenuegreenlight and our friends across the neighborhood, we’re excited to bring free community events to Great Highway Park every weekend for the next year. 1st Sunday: Chair Yoga, 2pm @ Irving 2nd Sunday: Live Music, 1-3 ...Monthly

Thursday, April 9

Flight Club: Adult Flight Night for Ages 18+ at “House of Air” Trampoline Park (SF)
Thursday, April 9 – 7:00 pm - Ends at 9:00 pm | Cost: $20*
*Pricing is Per Hour, House of Air Grip Socks are required to jump.
| House of Air
Flight Club: Adult Flight Night for Ages 18+ at "House of Air" Trampoline Park (SF)

Take full advantage of our 70+ trampolines — without the worry of running into (or launching) a 9 year old! Flight Club is House of Air’s exclusive 18+ takeover where the only thing flying through the air is you. Flight Club: Adult Flight NightThursdays: 6p ...Every Thursday

Friday, April 10

East Bay Bike Party (Every Second Friday)
Friday, April 10 – 7:30 pm | Cost: FREE | Secret Location (East Bay)
East Bay Bike Party (Every Second Friday)

The East Bay Bike Party is a monthly mobile party for riders of all ages, experience levels, and bike types, to meet, ride, and play together in the streets on the second Friday of the month with upwards of 400 riders usually meeting near an East ...Monthly

Saturday, April 11

Free Beginner Parkour “Urban Ninja” Class
Saturday, April 11 – 12:00 pm - Ends at 1:30 pm | Cost: FREE | Secret Location
Free Beginner Parkour "Urban Ninja" Class

SF Parkour hosts a free Beginner’s Parkour Class at noon on the second Saturday of each month. It is geared towards first timers and lasts 1.5 hours. Location: Each month the location rotates through Sunnyvale, UC Berkeley and the Embarcadero in SF. Please check the ...Monthly

Sunday, April 12

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, April 12 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Monday, April 13

Intro to Personal Safety & Self-Defense Class | Berkeley
Monday, April 13 – 7:00 pm - Ends at 8:00 pm | Cost: FREE*
*Free but an RSVP is required.
| Sports Basement (Berkeley)
Intro to Personal Safety & Self-Defense Class | Berkeley

This one hour class provides an introduction to IMPACT Bay Area’s style of empowerment self-defense. In this class students develop intuition, situational awareness, congruent body language and verbal skills to deescalate and deter assault and harassment, as well as learn two simple and effective physical ...Monthly

Friday, April 17

San Jose Bike Party
Friday, April 17 – 8:00 pm | Cost: FREE*
*Meet at 7:30 pm, roll at 8 pm.
| Secret San Jose Location
San Jose Bike Party

San Jose Bike Party is a place to ride bikes, make friends, and have a good time every third Friday of each month at 8 pm. San Jose is the largest city in Northern California, but they are hidden in the suburban sprawl. It’s time ...Monthly

Saturday, April 18

World Naked Bike Ride Through SF for Earth Day 2026
Saturday, April 18 – 11:00 am - Ends at 3:00 pm | Cost: FREE | Rincon Park
World Naked Bike Ride Through SF for Earth Day 2026
It’s that time to tune up those bikes and toss those riding duds in the wash; you won’t need them for the World Naked Bike Ride in San Francisco. The upcoming calendar of seasonal San Francisco World Naked Bike Rides presents the funnest opportunity to Protest ...
San Francisco Midnight Mystery Ride (Every Third Saturday)
Saturday, April 18 – 11:59 pm | Cost: FREE | Secret Location (SF)
San Francisco Midnight Mystery Ride (Every Third Saturday)

Every third Saturday, you are invited to bicycle with the San Francisco Midnight Mystery Ride as they set out to a new mystery location in SF. Where to meet? They’ll post ride start locations on their website and Facebook page, the day of the ride only; there’s ...Monthly

Sunday, April 19

SF’s Free “Sundays at the Beach” Tai Chi Day (Great Highway)
Sunday, April 19 – 10:00 am | Cost: FREE | The Great Highway
SF's Free "Sundays at the Beach" Tai Chi Day (Great Highway)

Join us for Tai Chi this Sunday! 10am at Judah and Great Highway Park This monthly course is for beginners and experienced students of tai chi alike. Plus, coffee is on us at @javabeachsf after the course. As a reminder, Sundays at the Beach is ...Monthly

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, April 19 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Sunday, April 26

SF’s “Sundays at the Beach” Free Yoga Day (Great Highway)
Sunday, April 26 – 12:00 pm | Cost: FREE | The Great Highway
SF's "Sundays at the Beach" Free Yoga Day (Great Highway)

Come flow with us every 4th Sundays! After the community yoga class, enjoy a cup of coffee on us at @javabeachsf to warm you up from our San Francisco summer weather. 12pm, Judah and Great Highway Park BYO mat and coffee mug. No registration required, ...Monthly

Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, April 26 – 1:00 pm - Ends at 5:00 pm | Cost: FREE | Skatin' Place
Golden Gate Park Sunday Roller Disco Party (SF)

There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday

Sunday, May 3

SF’s Free “Sundays at the Beach” Chair Yoga Day (Great Highway)
Sunday, May 3 – 2:00 pm | Cost: FREE | The Great Highway
SF's Free "Sundays at the Beach" Chair Yoga Day (Great Highway)

Welcome to Sundays at the Beach! With help from @avenuegreenlight and our friends across the neighborhood, we’re excited to bring free community events to Great Highway Park every weekend for the next year. 1st Sunday: Chair Yoga, 2pm @ Irving 2nd Sunday: Live Music, 1-3 ...Monthly

Wednesday, May 6

Intro to Personal Safety & Self-Defense Class | SF
Wednesday, May 6 – 6:30 pm - Ends at 7:30 pm | Cost: FREE*
*Free but an RSVP is required.
| Secret Location (SF)
Intro to Personal Safety & Self-Defense Class | SF

This one hour class provides an introduction to IMPACT Bay Area’s style of empowerment self-defense. In this class students develop intuition, situational awareness, congruent body language and verbal skills to deescalate and deter assault and harassment, as well as learn two simple and effective physical ...Monthly

Monday, May 25

Free National Parks Day: Muir Woods + Yosemite for Memorial Day 2026
Free National Parks Day: Muir Woods + Yosemite for Memorial Day 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Sunday, June 7

SF’s Free “Sundays at the Beach” Chair Yoga Day (Great Highway)
Sunday, June 7 – 2:00 pm | Cost: FREE | The Great Highway
SF's Free "Sundays at the Beach" Chair Yoga Day (Great Highway)

Welcome to Sundays at the Beach! With help from @avenuegreenlight and our friends across the neighborhood, we’re excited to bring free community events to Great Highway Park every weekend for the next year. 1st Sunday: Chair Yoga, 2pm @ Irving 2nd Sunday: Live Music, 1-3 ...Monthly

Sunday, June 14

Free National Parks Day: Muir Woods + Yosemite for Flag Day 2026
Free National Parks Day: Muir Woods + Yosemite for Flag Day 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Friday, July 3

Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)
Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Saturday, July 4

Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)
Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Sunday, July 5

Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)
Free National Parks Admission for Independence Day Weekend (July 3-5, 2026)

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Tuesday, August 25

Free National Parks Day: Muir Woods + Yosemite for National Parks Service Birthday 2026
Free National Parks Day: Muir Woods + Yosemite for National Parks Service Birthday 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Thursday, September 17

Free National Parks Day: Muir Woods + Yosemite for Constitution Day 2026
Free National Parks Day: Muir Woods + Yosemite for Constitution Day 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Tuesday, October 27

Free National Parks Day: Muir Woods + Yosemite: Teddy Roosevelt’s Bday 2026
Free National Parks Day: Muir Woods + Yosemite: Teddy Roosevelt's Bday 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...

Wednesday, November 11

Free National Parks Day: Muir Woods + Yosemite for Veterans Day 2026
Free National Parks Day: Muir Woods + Yosemite for Veterans Day 2026

Sometimes you’ve just got to get away from it all and clear your head with the peace and serenity of a national park. On certain “fee-free” days throughout the year, enjoy free entry to all national parks and monuments, including Muir Woods and Yosemite National Park, and ...