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Contact Trinidad Lake

Trinidad Lake Project Office

Phone: 719.846.7990


Mailing address:

U.S. Army Corps of Engineers

PO Box 771

10950 County Rd 18.3

Trinidad, CO 81082-0771

Trinidad Lake Project

Trinidad Lake, Colorado

Welcome to the U.S. Army Corps of Engineers Trinidad Lake Recreation Area

Located in the foothills of the Rocky Mountains Sangre De Cristo Range at an elevation of 6,200 ft. on the Purgatoire River, and bordered by the historic Santa Fe Trail, Trinidad Lake State Park offers boating, hiking and camping year round. Trinidad Lake is stocked annually with rainbow trout and offers largemouth bass, channel catfish, crappie, and walleye. Anglers may fish at any point along the shore or lake except boat docks and ramps. A Colorado fishing license is required.

Trinidad Lake is a multipurpose project for flood control, irrigation and recreation, authorized by the 1958 Flood Control Act. The dam protects the city of Trinidad, Colo., from flood waters and sediment, and holds irrigation water for the Purgatoire River Water Conservancy District.

We hope that your visit is safe and enjoyable and that you will return often.

While the Corps operates the dam project areas, the Colorado Division of Parks and Outdoor Recreation leases and manages the Trinidad Lake State Recreation Areas.  Federal Recreation Passports for these areas are not accepted.

Geocaching is permitted on Corps lands at Trinidad only with express knowledge and approval of the project manger.  Contact the project office for more information.

Click here for Colorado fishing regulations.  Click here for weekly fishing reports:  Colorado Division of Wildlife's fishing news, stocking, and fishing conditions reports run on a weekly basis from mid-April through Labor Day weekend. License applications and regulation brochures are also available at this site.

Area weather: Current weather conditions for Trinidad, Colorado.

Protect Your Waters and Stop Aquatic Hitchhikers!

zebra mussel in a circle with a line through it surrounded by these words: "Spread the message, not the mussels"

As Americans, we love to spend time on the water. Protecting these resources is an important part of our overall enjoyment. A concern we must all address is the spreading of harmful plants, animals and other organisms. These aquatic nuisance species can hitch a ride on our clothing, boats, and items used in the water. When we go to another lake or stream, the nuisance species can be released. And, if the conditions are right, these introduced species can become established and create drastic results.

So what can we do? By following a simple procedure each time we leave the water, we can help stop aquatic hitchhikers. For more information click here.

Every Kid in a Park Initiative

Every Kid in a Park

Attention fourth graders!

Click on the image to the left to obtain a pass for free entry for you and your family to Trinidad Lake and more than 2,000 federally managed lands and waters nationwide for an entire year starting September 1, 2015.

The pass includes fee-free access for one year to all federal lands and waters. The pass does not cover expanded amenity fees such as camping, boat launching, parking, special tours, special permits, or ferries. In addition, at certain locations, private concessionaires and resorts manage some facilities and activities; the pass is not valid for these services. For questions about pass acceptance and fees at specific locations, please contact the site directly.

The Every Kid in a Park invites children of all backgrounds to discover their public lands and all they offer, including opportunities to be active and spend time with friends and family. As living classrooms, these outdoor places and historic sites also provide hands-on, real-world opportunities to develop critical skills and learn about the natural world.

For more information, click here.