Bighorn Canyon National Recreation Area, Montana
Important National Park Service alert
No Water Available at Ok-A-Beh Marina - Flushing Restrooms Closed
Due to a water shortage, flushable toilets are currently unavailable at the Ok-A-Beh Marina. Vault toilets are available at the upper parking lot and a floating restroom is available on the courtesy dock.
Park Closure · updated Jul 17, 2026 · Official notice
Checked Oct 26, 11:25 am (America/Denver). Conditions change quickly - confirm on the official park page before you go.
- Fee per nightnot confirmed
- SeasonYear-round
- RV length (some sites)not listed
- Drinking wateryes
- Electricnot listed
At a glance: Confirmed: drinking water. No showers. Not listed: electric hookups, flush toilets 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 Not listed
- Drinking water Yes
- Flush toilets Not listed
- Showers No
- Dump station Yes
- Water hookups at sites Not listed
- Sewer hookups Not listed
- Tent sites Not listed
- RV / trailer sites Not listed
- Reservable online No
Sites, fees and season
- Elevation
- 3,203 ft
- Open season
- Open year round. (as listed by National Park Service, Oct 26, 2026)
- Phone
- (406) 666-2333 (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 · 45.31544, -107.94155 (the official listing point; check the access road for large rigs)
- Grapevine Campground 0.2 mi straight-line
- Black Canyon Campground 4.6 mi straight-line
- Barry's Landing & Trail Creek Campground 20.1 mi straight-line
- Horseshoe Bend Campground 29.1 mi straight-line
- Porcupine Campground (Wy) 33.7 mi straight-line
From the official listing description, directions and rules
- Near Fort Smith, Montana - Open All Year - 22 RV and tent sites are located on the south shore of Afterbay lake - All sites have fire rings and picnic tables - Composting vault toilets - All sites are back in (not pull through) - All sites have electric and water - RV dump station available across the road near the Headquarters building
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 Yellowtail Dam - 0.2 mi away, station at 3,305 ft - 102 ft higher than the campground (3,203 ft). Long-term averages, not a forecast; the open season is listed separately above.
| Month | High °F | Low °F | Precip. in |
|---|---|---|---|
| Jan | 38 | 20 | 0.72 |
| Feb | 40 | 21 | 0.83 |
| Mar | 50 | 28 | 1.21 |
| Apr | 58 | 36 | 1.95 |
| May | 68 | 44 | 2.62 |
| Jun | 78 | 53 | 2.27 |
| Jul | 89 | 59 | 1.15 |
| Aug | 87 | 57 | 0.78 |
| Sep | 76 | 49 | 1.67 |
| Oct | 60 | 38 | 1.98 |
| Nov | 48 | 28 | 0.77 |
| Dec | 39 | 21 | 0.72 |
Highlight months with an average high between and °F:
Photos from visitors
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Reviews are the personal experience of registered visitors. They do not change the official facts above; a reported problem (for example "the water was off") is checked against the official sources.
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 |
|---|---|---|
| Reservable online | Recreation.gov (RIDB) | Oct 26, 2026 source updated Jun 14, 2026 |
| Drinking water | National Park Service | Oct 26, 2026 |
| Showers | National Park Service | Oct 26, 2026 |
| Dump station | National Park Service | Oct 26, 2026 |
| Elevation | USGS elevation (EPQS) | Oct 26, 2026 |
| Open season | National Park Service | Oct 26, 2026 |
| Official page | National Park Service | Oct 26, 2026 |
| Phone | Recreation.gov (RIDB) | Oct 26, 2026 source updated Jun 14, 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.