Outdoor activities

in Lake Forest, CA

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

Hiking

Halloween night neighborhood stroll - NB “Port” streets - 4+ miles, adv. beg.

Halloween night neighborhood stroll - NB “Port” streets - 4+ miles, adv. beg.

Sat, Oct 31 · 5:00 PM PDT

by Sunrise to Sunset Hikers

Peters Canyon - Level 2 Moderate

Peters Canyon - Level 2 Moderate

Fri, Oct 9 · 7:00 AM PDT

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

Halloween 2026 Night Hike #1 (Oct 11)

Halloween 2026 Night Hike #1 (Oct 11)

Sun, Oct 11 · 6:00 PM PDT

by SoCal Science Hikes

Evening Hike on the Oso Creek Trail

Evening Hike on the Oso Creek Trail

Tue, Oct 13 · 6:30 PM PDT

by Sunrise to Sunset Hikers

Walking

Laguna Nursery Garden Walk with Ruben Flores!

Laguna Nursery Garden Walk with Ruben Flores!

Sat, Oct 17 · 10:00 AM PDT

Autumn Nature Walk @ Fairhaven Memorial Park

Autumn Nature Walk @ Fairhaven Memorial Park

Sat, Oct 10 · 9:00 AM PDT

by Naturalist For You - Nature Tours in California & Beyond

A Walk For Connection

A Walk For Connection

Sat, Oct 17 · 10:00 AM PDT

🛳️ Ferry, Boardwalk & Ocean Views: Balboa to the West Jetty

🛳️ Ferry, Boardwalk & Ocean Views: Balboa to the West Jetty

Wed, Oct 14 · 6:15 PM PDT

by Sunrise to Sunset Hikers

Running

Launch Social OC

Launch Social OC

Sat, Oct 10 · 2:00 PM PDT

by Grunions Water Polo

Social Run + Food

Social Run + Food

Wed, Oct 14 · 6:00 PM PDT

ASP x Altra Demo Social Run & Monthly Potluck

ASP x Altra Demo Social Run & Monthly Potluck

Wed, Oct 14 · 6:15 PM PDT

by A Snail's Pace Running Shop Weekly Runs

UCI Anti-Cancer Challenge 5K

UCI Anti-Cancer Challenge 5K

Sat, Oct 10 · 9:00 AM PDT

by A Snail's Pace Running Shop Weekly Runs

Cycling

Breakfast Ride to Strawberry Farms: 14 mi

Breakfast Ride to Strawberry Farms: 14 mi

Sat, Oct 17 · 9:00 AM PDT

by Silver Spokes: Womens Cycling in Irvine CA

Cypress Village Trail Out-and-Back 13.8

Cypress Village Trail Out-and-Back 13.8

Sat, Oct 10 · 9:00 AM PDT

by Silver Spokes: Womens Cycling in Irvine CA

Los Olivos Park Out-and-Back 15.5 and Picnic Following The Ride

Los Olivos Park Out-and-Back 15.5 and Picnic Following The Ride

Sat, Oct 24 · 9:00 AM PDT

by Silver Spokes: Womens Cycling in Irvine CA

Saturday Bike Ride - All paces welcome

Saturday Bike Ride - All paces welcome

Sat, Oct 10 · 9:30 AM PDT

by OC Tri N Run

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