Facility · Washington ·
Managed by the USDA Forest Service
Umatilla National Forest (NF) · Open Access
Provides access to: Mt Misery Trail #3113, Melton Creek Trail #3124 that both access Wenaha-Tucannon Wilderness. Jelly Springs Trail #3110 is also accesssed from this trailhead from Mt. Misery Trail west of the trailhead. Jelly Springs heads north to meet Forest Road 40.
Diamond Trailhead does not have any facilities for user groups. Parking is limited at the trailhead. This is one of the first hit areas on the District by winter snow falls, thus it is hazardous to get out of the trailhead when there is a snow cover.
Practice There is also access to Trail #3110 which starts from Mt. Misery Trail just west of the trailhead and heads north to meet Forest Road 40.
">Leave-No-Trace camping ethics. Pack all garbage out.From Pomeroy, WA, take 15th Street south from State Highway 12. Follow this street out of town and continue for 15 miles to the National Forest boundary. At the forest boundary a cattle guard is crossed and the road will turn to gravel (Forest Road 40). Continue south on Forest Road 40 for 15 miles to the Misery intersection (there is a sign 50 feet before the intersection). Turn right (westerly direction) on Forest Road 4030. Follow Forest Road 4030 for 5 miles to the Diamond Peak Trailhead.
Minimal parking. Bulletin board and trail signs are available.
46.11916, -117.53674 · 46°7'9.0"N 117°32'12.3"W
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | — | — | — | — | — | — | — | — | — | — | — | — |
| Low °F | — | — | — | — | — | — | — | — | — | — | — | — |
| Precip in | 4.8 | 3.9 | 4.7 | 3.3 | 2.9 | 2.2 | 1.0 | 0.8 | 0.9 | 2.8 | 4.6 | 5.5 |
1991–2020 averages from the nearest NOAA station, 4.2 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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