Idaho State Parks · Idaho
Castle Rocks State Park
Idaho State Parks · Idaho, United States
- Sites
- 43
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 5,594 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile good · AT&T good · Verizon none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Almo
- Address
- Smoky Mountain Campground (visitor center: 3035 S Elba-Almo Rd)
- Phone
- 208-824-5901
- Activities
- Biking, Bird Watching, Climbing, Disc Golf, Hiking, Horseback Riding, Cross-Country Skiing, Snowshoeing
About
Castle Rocks State Park is an Idaho State Park with 43 campsites available for camping.
Fees
Idaho State Parks and Recreation's published statewide camping rate (tax inclusive): Basic sites $14-$24/night, Electric sites $26-$32/night, Full Hook-Up sites $28-$40/night, larger-capacity Companion sites $46-$80/night. Plus a $7/vehicle/day Motor Vehicle Entrance Fee ($14 for non-residents at Bear Lake, Farragut, Hells Gate, Priest Lake & Round Lake specifically; $7 for non-residents elsewhere) and a $10/reservation transaction fee.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 30° | 18° | -1° | 44° | 11 of 11 |
| February | 33° | 21° | -9° | 49° | 11 of 11 |
| March | 40° | 27° | 10° | 72° | 11 of 11 |
| April | 50° | 31° | 18° | 70° | 10 of 11 |
| May | 64° | 43° | 28° | 76° | 3 of 11 |
| June | 75° | 52° | 34° | 93° | 0 of 11 |
| July | 89° | 65° | 45° | 98° | 0 of 11 |
| August | 86° | 63° | 51° | 96° | 0 of 11 |
| September | 77° | 53° | 40° | 88° | 0 of 11 |
| October | 60° | 39° | 28° | 76° | 6 of 10 |
| November | 49° | 31° | 6° | 62° | 9 of 10 |
| December | 32° | 20° | 1° | 54° | 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.
Nearby campgrounds
- Smoky Mountain Campground · National Park Service · 0 mi · 38 sites
- City of Rocks Campground · National Park Service · 3 mi · 67 sites
- City of Rocks National Reserve · Idaho State Parks · 3 mi · 67 sites
- Independence Lakes Campground · USDA Forest Service · 10 mi
- Oakley City RV Park · City, County & Regional Parks · 17 mi
All public campgrounds in Idaho · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.