Facility · Montana ·
Managed by the Bureau of Land Management

Located on the eastern shore of Ruby Reservoir, this recreation site provides access to fishing, boating, and camping. The reservoir was developed to supply irrigation water for agriculture and is subject to large fluctuations in water levels. Garnets can be collected along the shoreline.
From Montana 287, turn south at Alder on Road 357. Travel approximately 10 miles to the recreation site, which is on the west side of the road.
45.22630, -112.11880 · 45°13'34.7"N 112°7'7.7"W
Typically 81°F in Jul, down to 31°F in Dec.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 33 | 36 | 45 | 53 | 63 | 70 | 81 | 79 | 70 | 56 | 41 | 31 |
| Low °F | 11 | 14 | 21 | 26 | 33 | 39 | 44 | 44 | 37 | 27 | 19 | 11 |
| Precip in | 0.5 | 0.4 | 0.8 | 1.5 | 2.2 | 2.5 | 1.3 | 1.2 | 1.3 | 1.0 | 0.7 | 0.6 |
1991–2020 averages from the nearest NOAA station, 9.1 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
None
Stay limit: Open year-round
From Recreation.gov, which is not always current. The operator's own page is the authority on what you will be charged.
Recreation.gov last updated this record on 2026-05-21.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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