Click here for the current recreation status at all Albuquerque District lakes.

Contact John Martin

John Martin Reservoir Project Office

Phone: 719-336-3476


Mailing address:

U.S. Army Corps of Engineers

29955 County Road 25.75

Hasty, CO 81044-9715

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Welcome to John Martin Dam & Reservoir

Buzzards roost at John Martin DamJohn Martin Reservoir, also known as The Sapphire on the Plains, boasts unique natural and cultural resources and excellent recreation opportunities. John Martin lake beckons you to fish, boat, and camp. Wildlife lovers will appreciate the variety of habitats, home to some rare species! History buffs will revel in viewing the petroglyphs while hiking Red Shin's trail, visiting the historic Santa Fe Trail marker, and touring rock art at Hicklin Springs. Free dam tours are available upon reservation and we have a new 18-hole disc golf course just downstream of the dam. There's something for everyone at John Martin. Come and see for yourself!

John Martin Reservoir is a U.S. Army Corps of Engineers managed lake, however the recreation areas and campgrounds are managed by Colorado State Parks.

John Martin Reservoir is divided into a USACE-managed wildlife area and a CPW run State Park. There are no associated fees with entrance into the wildlife area, which allows day use access for hiking, shoreline fishing, wildlife viewing, and hunting. Entrance into the Colorado State Park area, which includes boat ramps, Lake Hasty, and camping opportunities, require a State Parks Pass. To find out about pass requirements to visit John Martin State Park, click here.



Visitors must follow state and federal guidelines regarding COVID-19 (such as social distancing, the use of face masks, and group-size limitations) while visiting USACE-managed recreation areas.

Recreation Activities: Learn about things you can do when you visit John Martin Reservoir.

Caddoa Disc Golf: Our disc golf course has something for players of all skills and abilities.

Area Events & Attractions: Find more information about regional attractions and local events throughout the year.

Reservations: Make camping reservations through Colorado Parks and Wildlife. 

Water Safety: Learn how to stay safe while boating and swimming.

Bobber the Water Safety Dog: Teach kids about water safety through fun activities.

Volunteer at John Martin: Help us keep John Martin Reservoir a great place to visit for future generations.

Aquatic Nuisance Species: Learn about aquatic nuisance species and how you can prevent their spread.

Protected Species: John Martin is home to several protected wildlife species, including Piping Plovers and Interior Least Terns.

Master Plan: Read about the history of John Martin and the current Master Plan.

Directions: Get directions for visiting John Martin Reservoir.

Helpful Phone Numbers: Includes the number for the Ranger Office and local law enforcement.

John Martin Facebook Page: Follow us on Facebook to keep up with the latest happenings. Stay up to date with the latest public lands volunteer opportunities.

Albuquerque District Recreation Homepage: Learn about the other Army Corps of Engineers projects in the Albuquerque District.

Daily Reservoir Report: See current and past reservoir conditions at John Martin. 

Area Weather: Current weather conditions for Hasty, Colorado.

Colorado Fishing Regulations and Weekly Fishing Reports: Colorado Parks & Wildlife's fishing news, stocking, and fishing conditions reports run on a regular basis year round. License applications and regulation brochures are also available at these sites.

Dam Tours: Tours of the John Martin Dam are available for interested groups. Contact the ranger office (719-336-3476) or email us at: for more information and to schedule a tour.

National Inventory of Dams: Learn more about the John Martin Dam and other dams across the United States.

Geocaching: If you want to place new geocache locations on John Martin Reservoir, you must first receive approval from the project manager.

Stop Aquatic Hitchhikers! Be a good steward. Clean. Drain. Dry.




Protect Your Waters and Stop Aquatic Hitchhikers!

Clean, Drain & Dry before transporting your boat or equipment.

For more information click here.