Facility · North Dakota ·
Managed by the USDA Forest Service
Little Missouri National Grassland (NF) · Open Access
Custer's three camps are marked along the way, and at one camp on the evening of May 28, 1876, the initials of two of the privates were carved on a sandstone boulder now known as Initial Rock. This was Custer's one-way route to his demise at the Battle of the Little Bighorn.
W.C. Williams, Company H, and F. Neely, Company M,who left their initials in the sandstone rock, were with the expedition.
46.80741, -103.41166 · 46°48'26.7"N 103°24'42.0"W
Typically 82°F in Aug, down to 27°F in Jan.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 27 | 29 | 41 | 53 | 64 | 74 | 82 | 82 | 72 | 55 | 40 | 29 |
| Low °F | 9 | 11 | 21 | 31 | 42 | 52 | 58 | 56 | 46 | 34 | 21 | 12 |
| Precip in | 0.6 | 0.5 | 0.9 | 1.8 | 2.7 | 2.5 | 2.4 | 1.7 | 1.8 | 1.2 | 0.7 | 0.6 |
1991–2020 averages from the nearest NOAA station, 6.3 mi away — not measured at the facility itself, and elevation can make a real difference over that distance.
Recreation.gov last updated this record on 2026-02-25.
Facility information and photographs from Recreation.gov (RIDB). SpotOpened is not affiliated with Recreation.gov or any federal agency.
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