Fishing
Guides and Charters, 11 Mile Sports Inc., Angler Guide, Colorado and Wyoming Complete Fishing Directories, Colorado Fisherman, Colorado Fishing Network, Colorado Fly Fishing and Stream Information, Colorado Fly Fishing Trips, Colorado Sportsmen's Guide - BigTrout.com, Cross D Bar Trout Ranch, Culebra Creek Outfitters
Hunting
Colorado Department of Wildlife Hunting Informatio, Colorado Waterfowl, Colorado Waterfowl Association
Adventure Specialists
Colorado ranch based group of educated adventurers. Horse trips, treks, climbing, archaeology, research expeditions.
American Adventure Expeditions
Offering whitewater rafting, kayaking, rock climbing, mountaineering, backpacking, mountain biking, and fly fishing.
Colorado Adventure Guide
Includes maps, mountain lodging, RV parks, resorts, dude ranches, bed and breakfasts, outfitters, white water rafting, fishing, hunting, hiking, campgrounds, ski areas.
Colorado Dude and Guest Ranch Association
Riding, fishing, rafting. Listing only approved ranches.
Colorado Guide
Comprehensive searchable database of trails, campgrounds, lakes, rivers; including information on rafting, skiing, fishing, four-wheeling, wilderness areas, and wildlife watching.
Colorado Outdoor Recreation Guide
A site for in-depth information on Colorado campgrounds, hiking, mountain biking, climbing, state parks, wilderness areas, national forests, and 4-wheeling.
Colorado Recreation Guide by Wildernet
Comprehensive outdoor recreation guide for Colorado. Over 2000 pages of information on specific campgrounds and over 900 trails, organized into 250 geographic areas and into 30 activity types.
Hiking in Colorado
Includes descriptions of more than two dozen hikes, a Hike Difficulty Calculator, and lots of photos.
Horizon Adventures, Inc.
Colorado backcountry adventures for teens ages 13-17, accredited by the American Camping Association (ACA). Horizon Adventure Program.
Mountain Wayfarer
Small boat sailing and kayaking in Colorado and the Southwest. Photo gallery, Wayfarer dinghy links, links to other Colorado sailing resources.
Rocky Mountain Sportsmen Association, Inc.
Hunting, fishing, and general outdoor recreation club.
Tenth Mountain Division Hut Association
24 huts styled after the European tradition and linked by over 300 miles of trails provide overnight shelter Details of huts, how to get there, backcountry travel hints, reservation info, user forums.