Smooth Ridge Trail
Strenuous · Out-and-back · 54.8 mi round trip · 5,774 ft gain · 19 h–26 h 45 min
Parking: not reported today
A long, demanding day; experienced hikers in good shape.
27.4 mi one way · high point 6,234 ft · time at a steady pace without breaks
Elevation from USGS; 2,074–6,234 ft. Open the map.
No hiker reports in the last 3 days. Be the first to report here
What you need
dogs, accessibility, bikes: not recorded yet
Toilets and trash not confirmed here. Pack out what you pack in.
Forest Service page for this site › Forest Service record for Diamond Trailhead (2026-10-06); restrictions: Wilderness restrictions apply within Wenaha-Tucannon Wilderness.
In Blue Mountains (Umatilla National Forest, Pomeroy and Walla Walla ranger districts). Day hikes need no permit; overnight stays need a wilderness permit. Rules, passes and closures change. Check the official Forest Service site before you go. Official: conditions · roads · fees · permits.
Getting there
Starts at Diamond Trailhead · Southeast / Blue Mountains · 5 other trails start here. Also reachable from Teepee Trailhead
Navigate to the trailhead: Google Maps · Apple Maps · coordinates 46.11916, -117.53674
Right now
Weather and road conditions
- Overnight: Mostly Clear, 49°F, wind 6 mph
- Tuesday: Sunny, 67°F, wind 5 mph
- Tuesday Night: Mostly Clear, 48°F, wind 3 mph
Daylight: Sunset 6:21 pm · 5 h 27 min of daylight left
Air: Good (AQI 44, PM2.5 8 µg/m³) at the Lapwai monitor, 64 km away AirNow
Wildfire: Paradise fire, 36 km away, 9,656 acres, 86% contained InciWeb
Snow: 0″ snow at Spruce Springs (5,690 ft, 7.1 km away) station
Typical year: usually melted out by about May 8 · typical peak Mar 30
No reports in the last 3 days.
All conditions and reports at Diamond Trailhead
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