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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

2026-Sept: Turtle Rock Hills hike at Sunset-Harvest/Mid Autumn Moon/Level 2

2026-Sept: Turtle Rock Hills hike at Sunset-Harvest/Mid Autumn Moon/Level 2

by HikingOC (Meet to Hike in Orange County & Travel the World)
BACKCOUNTRY CLINIC: HIKING THE TRANS-CATALINA TRAIL

BACKCOUNTRY CLINIC: HIKING THE TRANS-CATALINA TRAIL

by " ¡ ᗯᗩᑎTEᗪ TO ᗪO TᕼᗩT . . . ᒍᑌᔕT ᑎOT ᗩᒪOᑎE ! ! ! ℠ "
Marshall Canyon Trail in La Verne (level 2 to 2+)

Marshall Canyon Trail in La Verne (level 2 to 2+)

by HikingOC (Meet to Hike in Orange County & Travel the World)
10,000 Steps Hikes

10,000 Steps Hikes

by Puente Hills Preserve Hikers

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