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Outdoor activitiesin Arnold, Missouri

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

Hiking

6/28/25 Forest Park Hike/Ruck: Pavillion #2

Hosted by: Medallion Hiking, Adventure, and Books

47 going
Free
6/28/25 Forest Park Hike/Ruck: Pavillion #2

7/26/25 Forest Park Hike/Ruck: Pavillion #2

Hosted by: Medallion Hiking, Adventure, and Books

16 going
Free
7/26/25 Forest Park Hike/Ruck: Pavillion #2

Hike at Castlewood State Park

Hosted by: STL Millennial Ladies Meetup Group

9 going
Free
Hike at Castlewood State Park

Hike 7 milesish at Greenrock Trail from Rockwoods 8:30am June 28th, 2025

Hosted by: Saint Charles Hiking & More

3 going
Free
Hike 7 milesish at Greenrock Trail from Rockwoods 8:30am June 28th, 2025

Walking

West County Mall walk with Pat

Hosted by: Walking Workout and Activity Meetup Group

12 going
Free
West County Mall walk with Pat

Note change to 8:00 start time: Salt Lick Trail in Valmeyer IL

Hosted by: Let's Hike....

10 going
Free
Note change to 8:00 start time: Salt Lick Trail in Valmeyer IL

See StL Walking Tours - Delmar Loop. $17 for MHS members / $22 for non-members

Hosted by: Weekday Friends Meetup

1 going
Free
See StL Walking Tours - Delmar Loop. $17 for MHS members / $22 for non-members

Salt Lick Trail Loop to N Meyer Ave

Hosted by: Vibrant Trails STL (hiking group, women ages 30-45)

5 going
Free
Salt Lick Trail Loop to N Meyer Ave