John Martin Reservoir State Park
- Status
- Status not postedDaily 5 a.m. – 10 p.m.
- Entrance fee
- $10 per dayAnnual pass available
- Day-use reservations
- None mentioned
- Dogs
- Dogs allowed6-ft leash
- Camping
- 213 campsites
- Official site
- cpw.state.co.us719-829-1801
Official page last checked Oct 30, 2026. How we keep this current
Overview
In Bent County, about 19 miles west of Lamar, John Martin Reservoir State Park covers about 1,705 acres.
The park supports surfing, stargazing, golf, horseback riding, and disc golf. On the water side, there is a swimming beach, a boat ramp, and a fishing pier. Overnight options include 213 campsites, with RV sites with electric hookups, tent sites, group camping, and showers.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Daily | 5 a.m. – 10 p.m. | — |
| Office | Mon–Fri | 8 a.m. – 4 p.m. | — |
| Visitor center | Mon–Fri | 8 a.m. – 4 p.m. | — |
Official wording
Park: Daily, 5 a.m. to 10 p.m.
Office: Monday through Friday, 8 a.m. to 4 p.m.
The John Martin Reservoir Visitor Center is located north of the reservoir on State Park Road.
Hours: Monday through Friday, 8 a.m. to 4 p.m.
Source: official park page, checked Oct 30, 2026. Times are local to the park (America/Denver).
Fees and passes
| Item | Amount |
|---|---|
| Daily Vehicle Pass | $10 · day |
| Daily Vehicle Pass | $15 · day |
| Daily Vehicle Pass | $4 · day |
Official wording
Daily Vehicle Pass: $10-$15 Individual Daily Pass: $4
Colorado park passes
- Keep Colorado Wild Pass — $29. Annual vehicle entry for Colorado residents, bought with DMV vehicle registration Details
- Individual Annual Pass — $29. Non-vehicle entry (foot, bike, horse) for passholder plus three accompanying visitors; resident or nonresident Details
- Family Annual Pass (hang tag) — $120. One household; transferable between vehicles Details
- Annual Affixed Vehicle Parks Pass — $80. One vehicle; resident or nonresident Details
- Aspen Leaf Pass — $70. Colorado residents 64+, vehicle registered in Colorado; $3/night camping discount Sun–Thu Details
From the Colorado state guide. Confirm which passes this park accepts.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Booking system
- CPWshop (Aspira/Brandt reservation platform)
- Phone
- 1-800-244-5613
We link to the official booking system rather than showing live availability, which changes minute to minute.
Pets
Dogs allowed · leash up to 6 feet
Animals permitted: Leashed Dogs, Service Animals, Horses Leashed pets are allowed in campgrounds. All pets must be under control and on a maximum six-foot leash at all times, and not attached to any park signs, trees, shrubs or hydrants. Pets may not be left unattended, and pet owners must promptly clean up after their pets.
Service animals are generally permitted where pets are not. Check with the park for specific areas.
Camping
| Campground or site type | Sites | Hookups / features | Price |
|---|---|---|---|
| Campsites Single campsite (max 6 occupants) · 1 Night · $20-$38 | 213 | Electrical hook-upsShowers | — |
Camping details from the park
Extend your day on the lake or trails with a stay at John Martin Reservoir’s campground. Tent camping and RV hook-ups are available.
Reserve Now
The Lake Hasty Campground, located below the dam, is open year-round with electrical hook-ups at each of its 109 sites.
The Point Campground is a basic campground, perfect for tent campers, with 104 sites located on the north shore of John Martin Reservoir.
Family at campsite with shade cover, picnic table and tent on tent pad
Waterfowl hunter standing in front of his tent, and holding binoculars, while looking towards the lake .
Reserve a Campsite
213 Campsites
A reservation is required to camp at John Martin Reservoir State Park, and it’s easy to make one.
Reserve a Campsite
Know Before You Go
Typical Amenities
Whether you’re camping in a tent or RV, John Martin Reservoir’s campsites offer amenities to make your stay more comfortable. Amenities include:
- ADA accessibility
- Toilets
- Camper services building with coin-operated shower and laundry
- Electrical hook-ups
- Dump station
- Water station
Occupancy & Duration
When you camp at John Martin Reservoir State Park, check-in time is 1 p.m. on the day of arrival and check-out time is 12 p.m. (noon) on the day of departure.
Pet Policy
Leashed pets are allowed in campgrounds.
Staying During Winter
Camping is available year-round. At the Lake Hasty campground, 51 sites remain open year-round with electrical hook-ups (20, 30 and 50 amp) at each of the sites. The camper services building is closed from November 1 to March 31, and the comfort station is open April 13 to September 30. In the Point Campground, sites 242 to 279 are open year-round. Water at centralized hydrants remains on all year.
Winter amenities:
- Toilets
- Water hydrants
- Potable water
- Dump station
From the official park page, checked Oct 30, 2026. Site counts and prices can change; confirm when booking.
Things to do
BikingPicnickingBoatingGolfDisc golfFishingGeocachingHikingHorseback ridingWinter sportsCanoeing and kayakingStargazingSwimmingSurfingWildlife viewing and birdingCamping
Trails
| Trail | Length | Difficulty | Notes |
|---|---|---|---|
| Red Shin Trail | 4.5 mi | — | 4.5 miles Hiking, biking, horseback riding, wildlife viewing Dog friendly Trail Map |
Trail descriptions from the park
The Red Shin Trail begins below the dam near the stilling basin and circles the Lake Hasty area through waterside, short-grass prairie and wetland environments. The trail then proceeds to the Santa Fe Trail marker on the north shore of John Martin Reservoir.
Swimming
A swim beach is available for guests at Lake Hasty over the summer season between Memorial Day and Labor Day. No lifeguards are on duty, so swimmers are urged to use caution.
Amenities
Facilities
- Restrooms
- Flush toilets
- Vault or pit toilets
- Showers
- Picnic areas
- Playground
- Visitor center
- Parking
- Group facilities
Water
- Swimming beach
- Boat ramp
- Fishing pier
Camping
- Tent camping
- RV camping
- Electric hookups
- Group camping
Recreation
- Golf course
- Disc golf
- Horse trails
Accessibility
- Accessible restrooms
- Accessible campsites
- Accessible fishing
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Accessibility
- Accessible fishing
- Accessible restrooms
- Accessible campsites
The park's main attractions are the John Martin Reservoir and Lake Hasty. Visitors can have fun boating, fishing, jet skiing and swimming on the lake. An accessible fishing pier and picnic site is available on the west shoreline of Lake Hasty.
The Lake Hasty area has parking spaces and campsites that are accessible for people with disabilities. Restrooms, showers, picnic tables, drinking fountains and grills are also accessible.
Accessible facilities listed: Accessible Event Space Rental, Accessible Fishing Pier, Accessible Parking, Accessible Restrooms, Accessible Showers, Accessible Campsite
Official accessibility information
Conditions change. Contact the park to confirm specific accessible features before your visit.
Getting there
- Address
- 30703 Co. Rd. 24
Hasty, CO 81044 - Nearest town
- Lamar — about 19 mi west (straight line)
- Coordinates
- 38.0776, -102.9572
- Phone
- 719-829-1801
- johnmartin.statepark@state.co.us
Google Maps directionsApple MapsOfficial park map (PDF)
Directions from the park
Directions From Highway 50 West Take US Highway 50 west from Lamar approximately 20 miles to Hasty. Turn south on CR 24 (School Street) and proceed approximately 2 miles. The Visitor Center is on the right just past the curve.
Sources and freshness
- Colorado State Parks — park page — last checked Oct 30, 2026; page says updated Jul 6, 2026
- CPW website Drupal JSON:API, node type state_park (43 published nodes; same store that renders /state-parks/{slug})
- Wikidata
- USGS PAD-US 4.1 (boundary and acreage)
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology