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Outdoor activities

in Diamond Bar, CA

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

Hiking

2025-Oct: Day 5 (day 7)/Part 1-Croatia: Split-Europe Fall Foliage/Levels 2 up

Wed, Oct 15 · 2:00 PM PDT

2025-Oct: Day 5 (day 7)/Part 1-Croatia: Split-Europe Fall Foliage/Levels 2 up

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

2025-Oct: Days 4-5/Part 1-Croatia: Plitvice Lake NP Fall Foliage/Levels 2 up

Tue, Oct 14 · 7:00 AM PDT

2025-Oct: Days 4-5/Part 1-Croatia: Plitvice Lake NP Fall Foliage/Levels 2 up

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

2025-Oct: Day 3 (5)-Part 1/Slovenia: Bled-Fall Foliage-Exploratory/Level 2 up

Mon, Oct 13 · 7:00 AM PDT

2025-Oct: Day 3 (5)-Part 1/Slovenia: Bled-Fall Foliage-Exploratory/Level 2 up

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

East Fence Line Trail Hike - Chino Hills State Park

Sat, Oct 18 · 9:00 AM PDT

East Fence Line Trail Hike - Chino Hills State Park

by Sierra Club - Puente/Chino Hills Task Force

Walking

Start of daily walks

Tue, Oct 14 · 6:00 PM PDT

Start of daily walks

by Fontana track daily walking group

East Fence Line Trail Hike - Chino Hills State Park

Sat, Oct 18 · 9:00 AM PDT

East Fence Line Trail Hike - Chino Hills State Park

by Sierra Club - Puente/Chino Hills Task Force

TWYNE Thursday Walk

Thu, Oct 16 · 6:30 PM PDT

TWYNE Thursday Walk

by South Pasadena "Walking Man" Neighborhood Walk

10,000 Steps Hikes

Sun, Oct 19 · 4:00 PM PDT

10,000 Steps Hikes

by Puente Hills Preserve Hikers

Running

Run & Reflect – Weekly Jog + Writing/Learning Social Club

Thu, Oct 16 · 6:00 PM PDT

Run & Reflect – Weekly Jog + Writing/Learning Social Club

by Run and Reflect Social Club

Tuesday Night Social Run

Tue, Oct 14 · 6:00 PM PDT

Tuesday Night Social Run

by A Snail's Pace Running Shop Weekly Runs

ASP Monday Night Chino Hills Social Run

Mon, Oct 13 · 6:00 PM PDT

ASP Monday Night Chino Hills Social Run

by A Snail's Pace Running Shop Weekly Runs

ASP Monday Night Social Run

Mon, Oct 13 · 6:00 PM PDT

ASP Monday Night Social Run

by A Snail's Pace Running Shop Weekly Runs

Cycling

Level 3: Monday "Beat the Rain Ride" 8:00AM Roll OUT

Mon, Oct 13 · 7:45 AM PDT

Level 3: Monday "Beat the Rain Ride" 8:00AM Roll OUT

by BOBie Cycling Club

Bonelli Loops

Wed, Oct 15 · 6:00 PM PDT

Bonelli Loops

by Cycling Connection Rancho Cucamonga

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

Sat, Oct 18 · 9:00 AM PDT

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

by Silver Spokes: Womens Cycling in Irvine CA

Trish's Friday Morning Ride

Fri, Oct 17 · 8:30 AM PDT

Trish's Friday Morning Ride

by Cycling Connection Rancho Cucamonga

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