Why CNS shares these communities
A stronger outdoor community grows through cooperation. We share clubs and groups that help our members build skills, discover new perspectives, and enjoy meaningful experiences together. Join the communities that fit your interests and bring what you learn back to CNS.
These are CNS community recommendations. A listing does not imply a formal partnership; each organization manages its own membership and activities.
Outdoor Clubs with a Legacy
The Mountaineers
The Mountaineers brings people together through outdoor education, hiking, climbing, and volunteer-led adventures. Explore opportunities to build skills, connect with fellow outdoor enthusiasts, and help care for the natural places of the Pacific Northwest.
Mazamas
Based in Portland, Mazamas brings people together through climbing education, hikes, leadership development, and stewardship across the Pacific Northwest. Explore opportunities to build outdoor skills and connect with a mountain-minded community.
How we can collaborate

Share knowledge
Learn from experienced clubs, exchange useful resources, and encourage outdoor education and responsible recreation.

Connect communities
Welcome new perspectives, introduce members to relevant groups, and build friendships across nature, culture, and tourism.

Create Opportunity
Organize events, share resources, and connect with other communities on CNS—while keeping your club’s unique identity.
Explore other outdoor & social community
Meetup and Facebook communities bring people together to share experiences, learn from one another, and enjoy nature. Explore 46 CNS handpicked groups for outdoor adventures, culture, travel, and social connections. Start with hiking or choose another interest below.
Backpacking Camping Hiking for Beginners ↗
Beer & Hiking PNW ↗
Bellevue Running Elements ↗
Better Halves Outdoor and Social Group ↗
Building Community Through Health & Wellness ↗
Car Camping ↗
Cascadia Waterfall Hiking Group ↗
Club Oly Runners ↗
Earth ↗
Enchantments Hiking & Backpacking ↗
Explore the PNW! ↗
Fun Hiking & Adventure ↗
Green Software – Puget Sound ↗
Happier, Longer, Stronger (HLS) ↗
Haunted Hikes (October) ↗
Hiking & Adventures In the PNW -All Age Group ↗
Hiking Everything Group ↗
Hiking in the PNW And Outdoor Adventures ↗
Hiking, Camping & Backpacking Gear Talk ↗
Hiking/Camping Gear Yard Sale ↗
Kitsap Outdoors ↗
Let’s Hike PNW! ↗
Life In Northwest Washington ↗
Midweek Hiking ↗
Mountaineers Marketplace ↗
Mt. Hood Conditions ↗
Mt. Rainier Hiking ↗
North Cascades Highway 20 ↗
PNW Hikers ↗
PNW Multiple Hikes A Day AND OUTDOOR ADVENTURE ↗
Portland Outdoor and International Adventure Club ↗
Road Trips to National Parks, State Parks and Historic Sites. ↗
Seattle Climbing ↗
Seattle Hiking and Professional Networking Group ↗
Seattle Hiking Community ↗
Seattle Hiking Meetup Group ↗
Seattle Outdoor Adventurers (SOA) ↗
Tacoma Outdoors Adventures ↗
The Social Hiking Collective ↗
Ultralight Backpacking ↗
Urban Hiking & Dining ↗
WA Weekends ↗
Washington Hikers and Climbers ↗
Washington State Camping ↗
Washington State Photography ↗
WOW – Washington Outdoor Wanderers ↗
No groups match these filters. Try another interest or reset the filters.
Interest tags describe each group’s stated focus or name; they are browsing guides, not a live activity schedule. Confirm activities and participation requirements on the group page. Facebook may require sign-in or group approval.
Discover upcoming events
Browse the CNS Events Calendar for published community activities. For any group’s complete schedule and registration, visit its own event page.

Ask Mr. Nature
Explore these groups, compare interests, or find your next step toward a community event.
More Resources. More Connections. More Adventure.
Join CNS to discover community resources, share what you know, and connect with people who care about the outdoors. Together, we can make nature more accessible to all.
Learn How to Join