Pikes Peak Flyfishers
- Affiliated chapter of the Federation of Fly Fishers, presents beginners tips, newsletters and links to local fishing reports.
- http://www.pikespeakflyfishers.org/

University of Colorado Fly Fishing Club
- Features club news, fish tales, schedule of events, photo gallery, and tips about fly tying, rod building, and casting.
- http://www.colorado.edu/studentgroups/flyfishing/

Colorado Women Flyfishers
- Non-profit organization formed in 1997 to encourage and support women who fly fish. Includes calendar of events, photo gallery and links.
- http://www.colowomenflyfishers.org/

Colorado Mountain Club, Fly Fishing Section
- Fishing trips and classes as well as fly tying courses. Contains activity schedule, stream data, photo gallery, and downloadable lake finder software.
- http://www.cmcflyfish.org/