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Outdoor activities

in Fullerton, CA

Discover outdoor activities in Fullerton with Meetup. Whatever your interest, Meetup helps you connect with like-minded people.

Hiking

Sturtevant's Falls and Mt Zion (Level 3)

Fri, Jan 2, 2026 · 07:30 PST

Sturtevant's Falls and Mt Zion (Level 3)

by HikingOC (Meet to Hike in Orange County & Travel the World)

Start 2026 right, hike Peter's Canyon

Sun, Jan 4, 2026 · 07:30 PST

Start 2026 right, hike Peter's Canyon

by Hike, Backpack, Climb, Travel with Wilderness Travel Course

Weir Canyon Loop and Santiago Oaks Combo. (Level 2+/Moderate)

Tue, Dec 30 · 07:30 PST

Weir Canyon Loop and Santiago Oaks Combo. (Level 2+/Moderate)

by HikingOC (Meet to Hike in Orange County & Travel the World)

Strengthen, Lengthen, Tone

Mon, Dec 29 · 08:20 PST

Strengthen, Lengthen, Tone

by Sunrise to Sunset Hikers

Walking

Group Walk with Friends in La Verne

Sat, Jan 3, 2026 · 07:00 PST

Group Walk with Friends in La Verne

by La Verne Walking Club

Winter Nature & History Walk @ Fairhaven Memorial Park

Sat, Jan 10, 2026 · 09:00 PST

Winter Nature & History Walk @ Fairhaven Memorial Park

by Naturalist For You - Nature Tours in California & Beyond

10,000 Steps Hikes

Thu, Jan 8, 2026 · 15:00 PST

10,000 Steps Hikes

by Puente Hills Preserve Hikers

Beach Walk for Wellness

Sun, Jan 4, 2026 · 08:00 PST

Beach Walk for Wellness

by Beach Walks for Wellness

Running

ASP Run Club Weekend Long Social Run

Sat, Jan 3, 2026 · 07:00 PST

ASP Run Club Weekend Long Social Run

by A Snail's Pace Running Shop Weekly Runs

Tuesday Night Social Run

Tue, Dec 30 · 18:00 PST

Tuesday Night Social Run

by A Snail's Pace Running Shop Weekly Runs

Run Club Rush: Chino Hills

Mon, Jan 5, 2026 · 18:00 PST

Run Club Rush: Chino Hills

by A Snail's Pace Running Shop Weekly Runs

Monday Run with SCRR @ Hicks Canyon Park

Mon, Dec 29 · 18:15 PST

Monday Run with SCRR @ Hicks Canyon Park

Cycling

Silver Spokes: Los Olivos Park Out-and-Back (15-mi and 10-mile options)

Sat, Jan 10, 2026 · 09:00 PST

Silver Spokes: Los Olivos Park Out-and-Back (15-mi and 10-mile options)

by Silver Spokes: Womens Cycling in Irvine CA

Biltwell Parts & Labor Custom Motorcycle Expo

Sat, Jan 10, 2026 · 08:00 PST

Biltwell Parts & Labor Custom Motorcycle Expo

by Lifestyle Cycles Riding Group

Level 3: EZ Thursday A.M. RIDE *8:30AM ROLLOUT (21 mi)

Thu, Jan 1, 2026 · 08:15 PST

Level 3: EZ Thursday A.M. RIDE *8:30AM ROLLOUT (21 mi)

by BOBie Cycling Club

Silver Spokes Women's Cycling: Walnut, JOS, Portola, Peters Canyon

Sat, Jan 17, 2026 · 09:00 PST

Silver Spokes Women's Cycling: Walnut, JOS, Portola, Peters Canyon

by Silver Spokes: Womens Cycling in Irvine CA

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