Colorado State Parks · Colorado
John Martin Reservoir State Park
Colorado State Parks · Colorado, United States
- Sites
- 213
- Hookups
- 109 electric, 104 no hookups
- Group sites
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Laundry
- Yes
- Pets
- Yes
- Elevation
- 3,858 ft
- Dark sky
- Bortle class 1
- Cell coverage
- AT&T good · Verizon good · T-Mobile none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- John Martin Reservoir
- Nearest town
- Hasty
- Address
- 30703 Co. Rd. 24, Hasty, CO 81044
- Phone
- 719-829-1801
213 numbered sites are mapped one by one - open the site map to pick yours.
About
John Martin Reservoir State Park is a Colorado State Park with 213 campsites available for camping.
Fees
Colorado State Parks charge camping fees under a statewide flat fee schedule by site type, not park-specific nightly rates: Backcountry $13-$18/night, Basic (no hookup) $22-$28/night, Electric $27-$36/night, Full hook-up (water/sewer/electric) $32-$41/night, Accessible/Group $22-$41/night - plus a separate daily park entrance pass ($10-$11/vehicle) required in addition to camping fees. Individual park pages quote sub-ranges of this same schedule depending on which site types that park offers. (Source: cpw.state.co.us/camping fee schedule.)
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 47° | 25° | 1° | 70° | 11 of 11 |
| February | 55° | 27° | -11° | 80° | 11 of 11 |
| March | 64° | 35° | 22° | 84° | 9 of 11 |
| April | 74° | 44° | 26° | 93° | 4 of 11 |
| May | 79° | 54° | 39° | 97° | 0 of 11 |
| June | 94° | 66° | 50° | 105° | 0 of 11 |
| July | 95° | 69° | 58° | 107° | 0 of 11 |
| August | 93° | 67° | 59° | 103° | 0 of 11 |
| September | 90° | 63° | 36° | 102° | 0 of 11 |
| October | 73° | 44° | 26° | 91° | 1 of 10 |
| November | 63° | 33° | 13° | 83° | 6 of 10 |
| December | 52° | 27° | 11° | 72° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
All public campgrounds in Colorado · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.