John Martin Reservoir State Park

State Park in Hasty, CO

Hours:

Park: Daily, 5 a.m. to 10 p.m.
Office: Monday through Friday, 8 a.m. to 4 p.m.

Entrance Fees:

Daily Vehicle Pass: $​10
Individual Daily Pass: $4

Animals Permitted:

  • Leashed Dogs
  • Service Animals
  • Horses

Park Address:

30703 Co. Rd. 24
Hasty, CO 81044
United States

Contact:

719-829-1801

[email protected]

Reservoir with rocky bank and the sun shining. 

John Martin Reservoir State Park

State Park in Hasty, CO

Reservoir with rocky bank and the sun shining. 

Hours:

Park: Daily, 5 a.m. to 10 p.m.
Office: Monday through Friday, 8 a.m. to 4 p.m.

Entrance Fees:

Daily Vehicle Pass: $​10
Individual Daily Pass: $4

Animals Permitted:

  • Leashed Dogs
  • Service Animals
  • Horses

Park Address:

30703 Co. Rd. 24
Hasty, CO 81044
United States

Contact:

719-829-1801

[email protected]

Navigate to:

Park Highlight

Explore the Water

The reservoir provides uncrowded boating, waterskiing and spectacular conditions for a wide variety of wind water sports. The mild Southeastern Colorado weather provides plenty of great days throughout the year. 

John Martin Reservoir

John Martin Reservoir

John Martin Reservoir is open to all types of boating. Anglers​ may catch walleye, saugeye, bass, wiper, crappie, perch and catfish.

Pelicans fly over Lake Hasty

Lake Hasty

Only hand-launched, non-motorized vessels are allowed on Lake Hasty. Just below the dam, the lake is stocked with trout, bluegill, bass, crappie, saugeye and wiper.

Reservoir Facilities

Facilities

    ​East and west boat ramps are open annually from March 15 until October 31 and closed on November 1 until March 14 for waterfowl resting. 

    • Please do not park vehicles on the boat ramps. 
    • Trailered launching from any other location on the lake is prohibited. 
    • Swimming and fishing are also prohibited on or near the ramps.

    The accessible fishing pier is located on the west side of Lake Hasty.

    A fish cleaning station is located near the Lake Hasty Campground. Please be courteous to other visitors and do not clean fish in the laundry room or restrooms.

    The swim beach is located on Lake Hasty, a 0.25-mile walk from the campground. It is open Memorial Day through Labor Day.

    Boating and Fishing

      Boating on John Martin Reservoir

      • Be on the lookout for areas that are temporarily closed to all public access to protect threatened and endangered bird nesting and brooding areas.
      • The water level at John Martin Reservoir can fluctuate. 
      • Boaters are warned to be especially alert to floating debris, submerged hazards and shallow areas that may not be marked. 

      Boating on Lake Hasty

      Only hand-launched, non-motorized vessels are allowed on Lake Hasty.

      Fishing

      John Martin Reservoir offers many types of warmwater fish. Late spring to early summer is popular for crappie and saugeye fishing. Anglers from all over the country come to John Martin Reservoir mid-summer to fish for bass and wiper. Late-night anglers will find channel catfish and walleye all summer long. Fishing is permitted anywhere on the park, except from the boat docks and areas closed to public access. Ice fishing is discouraged as the lake rarely freezes over completely. 

      Lake Hasty is stocked with trout,  bluegill, bass, crappie, saugeye and wiper. 

      Fish Species and Bag Limits

      See the Fishing Atlas for fishable species at this location and the Fishing Brochure (PDF) for daily bag limits.

      Fishing Awards and Records for Chatfield

      Colorado Parks and Wildlife awards anglers who catch big fish. Visit the Fishing Awards and Records page for more records.

      Clean Your Gear: Fishing

      Help Protect Colorado Waters

      Clean Your Gear

      Cleaning your gear before and after use helps protect our water from aquatic nuisance species. Check out these videos to learn how to clean your fishing gear.

      Bring the Brochures with You

      Aquatic Nuisance Species at John Martin Reservoir

      In efforts to try to contain the spread of aquatic nuisance species (ANS), inspection of boats and trailers is required before launching every boat at John Martin.

      Inspection icon

      Inspection Hours

      Get hours and location from the park.

      Paddleboards, Kayaks and Caneos, Inflatable Watercraft

      Help Protect Colorado Waters: Clean Your Gear

      Cleaning your gear before and after use helps protect our water from aquatic nuisance species. Check out these videos to learn how to clean your paddleboard, kayak, canoe or inflatable watercraft.

      Clean Your Gear: Preventing the Spread of Aquatic Nuisance Species in Colorado

      Clean Your Gear: Paddleboards

      Clean Your Gear: Kayaks and Canoes

      Clean Your Gear: Inflatable Watercraft

      Water Activities

      A jet skiier by the dam

      Jet Skiing

      Jet skiing is allowed on John Martin Reservoir during the regular boating season from March 15 to October 31. Jet skiing is not allowed on Lake Hasty.

      A swimmer with goggles on

      Swimming

      Swimming is allowed in Lake Hasty and John Martin Reservoir from sunset to sunrise and anywhere at least 150 feet from any: boat ramp, marina, breakwater, dock, buoy-designated hazard or keep-out, any dam inlet or outlet structure, and where posted as prohibited. The Lake Hasty swim beach is open from Memorial Day to Labor Day. Any child under the age of 13 unless accompanied by an adult.

      An action shot of a water skiier

      Water Skiing

      Water Skiing is allowed on John Martin Reservoir, but not on Lake Hasty. Remember to ski counter-clockwise.