Colorado Trout Unlimited

Your support helps us to conserve, protect and restore Colorado's coldwater fisheries and their watersheds. Make a difference for Colorado's rivers and wild places by donating today! And every new or increased donation will be matched up to $7500 by Freestone Aquatics. Help us meet the match!

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General Information

Official Name
Trout Unlimited​​​​​​​
DBA/Trade Name(s)
Former Name(s)
Date Established
Offers Additional Colorado State Tax Credit
Tax ID
Headquarters Address
Colorado Location
Mailing Address
Other Address
1536 Wynkoop Street
Suite 320
Denver, CO 80202
Main Phone Number
Fax Number
Other Phone Number
Social Media Links

Mission Statement

Colorado Trout Unlimited works to conserve, protect and restore Colorado's coldwater fisheries and their watersheds.

Organization History

Colorado Trout Unlimited (Colorado TU) was founded in 1969 as the Colorado grassroots arm of our nationally-based parent organization, Trout Unlimited. Colorado TU coordinates the on-the-ground activities of its local chapters and members and focuses exclusively on threats facing Colorado's rivers and watersheds. With the strength of more than 12,000 members from 24 locally-based chapters statewide, Colorado TU functions as a grassroots organization and uses cooperation, collaboration, advocacy, and education to promote conservation from the headwaters of the Colorado River to the Black Canyon of the Gunnison River.

Our staff of 5 employees is intentionally lean, and leverages the power of members who contribute approximately 44,000 volunteer hours annually to restoration, education, and other conservation projects, equivalent to the power of 22 full-time employees.


The list of non-profits who would like your time, talent and money is endless, so why Colorado Trout Unlimited? First is the organization's reason for being. Serving as a champion for clear mountain streams is something that just grabs my heart. Second is the quality of the organization. It is important that the leadership be focused, reasonable in its positions, and fiscally responsible. CTU meets all of those parameters for me.
---Tom Jones, donor and TU Grassroots Trustee

Trout Unlimited (TU) in Colorado is an effective, science-based, working-with-all-stakeholders organization that gets things done. As a homeowner in the Denver area and Grand County, I cherish the water we use on the front range, and the recreational opportunities that take me to Grand Lake and the Upper Colorado River system. The tenacity of TU staff and engagement of chapters is the reason I'm a donor, and now a member of the Colorado Trout Unlimited (CTU) council board. It's well worth the time and treasure I've committed to the group's outcomes.
---Larry Howe, donor and Board Secretary

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