Boise National Forest, Idaho
- Fee per nightnot confirmed
- Seasonnot listed
- RV length (some sites)not listed
- Drinking wateryes
- Electricno
At a glance: Confirmed: drinking water. No electric hookups or flush toilets. Not listed: showers and maximum RV length.
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Amenities
“Not listed” means the official sources don’t say - it does not mean “no”.
- Electric hookups No
- Drinking water Yes
- Flush toilets No
- Showers Not listed
- Dump station Not listed
- Water hookups at sites No
- Sewer hookups No
- Tent sites Yes
- RV / trailer sites Yes
- Reservable online Yes
Sites, fees and season
- Campsites
- 14
- Elevation
- 3,950 ft
- Phone
- (208) 392-6681 (campground or managing office)
Fees are not listed in the official data. Check the official site before you go.
Location and nearby campgrounds
Location on the map · Driving directions · 43.80722, -115.86472 (the official listing point; check the access road for large rigs)
- Edna Creek Campground 10.9 mi straight-line
- Bad Bear Campground 10.9 mi straight-line
- Hayfork Group Cg 10.9 mi straight-line
- Black Rock 13.9 mi straight-line
- Macks Creek Campground 14.1 mi straight-line
From the official listing description, directions and rules
Grayback Campground is located 36 miles northeast of Boise, Idaho, just off scenic Highway 21. Historic Idaho City is just two miles north of the campground. Visitors enjoy fishing in Mores Creek and exploring the Grayback Gulch Trail.
Recreation
Mores Creek can be accessed just below the campground. Anglers fish for whitefish and rainbow trout. Grayback Loop Trail begins within the site, offering a 1-mile footpath for hikers.
Numerous trail opportunities are in the area just north of Idaho City, where hiking, biking, horseback riding and off-road vehicles can be enjoyed. During the winter, the area becomes a playground for back country skiers and snowmobiles.
Facilities
The group campground contains two group sites with picnic and serving tables, grills, campfire circles and paved site pads. Site A can accommodate up to 150 people and 20 vehicles, and site B can accommodate up to 100 people and 15 vehicles. Both sites can be reserved at the same time, for even larger groups. The group sites share one accessible bathroom facility that has a men's and women's side, each with four stalls. There is also an accessible hand pump for drinking water and a dumpster that is shared between the two sites.
Weather forecast - next 7 days
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Climate by month
Average daily high and low and monthly precipitation, 1991-2020 normals from the NOAA station Idaho City - 2.7 mi away, station at 3,965 ft - about the same height as the campground. Long-term averages, not a forecast; the open season is listed separately above.
| Month | High °F | Low °F | Precip. in |
|---|---|---|---|
| Jan | 35 | 14 | 3.16 |
| Feb | 40 | 16 | 1.94 |
| Mar | 48 | 22 | 2.26 |
| Apr | 56 | 28 | 1.59 |
| May | 66 | 34 | 2.11 |
| Jun | 75 | 40 | 1.09 |
| Jul | 87 | 46 | 0.32 |
| Aug | 86 | 44 | 0.44 |
| Sep | 76 | 36 | 0.77 |
| Oct | 62 | 28 | 1.50 |
| Nov | 44 | 21 | 2.41 |
| Dec | 35 | 14 | 3.53 |
Highlight months with an average high between and °F:
Photos from visitors
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Questions & answers
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Answers come from visitors, the campground (only its verified representative is labelled "Campground") and our team. They never change the official facts above.
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Sources and data dates where every fact comes from
| Fact | Source | Fetched from the source |
|---|---|---|
| Campsites | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Reservable online | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Tent sites | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| RV / trailer sites | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Electric hookups | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Water hookups at sites | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Sewer hookups | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Drinking water | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Flush toilets | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Elevation | USGS elevation (EPQS) | Oct 26, 2026 |
| Official page | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Official reservations | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
| Phone | Recreation.gov (RIDB) | Oct 26, 2026 source updated Mar 11, 2026 |
Last successful data update for this page: Oct 26, 2026. That is when we last read the official sources - not a personal visit, and not the date the source itself changed (shown per fact above). Found something wrong? Report an error.