About West Fork Upper Pahsimeroi Trailhead
This trailhead has minimal development, providing access to Merriam and Pass Lake Trails. One metal firering, a picnic table and a two-sided latrine are on site.
FacilityFacilityRecreation.gov
West Fork Upper Pahsimeroi Trailhead
Mackay, Idaho · Custer County · Facility
This trailhead has minimal development, providing access to Merriam and Pass Lake Trails. One metal firering, a picnic table and a two-sided latrine are on site.
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44.12992, -113.72630
Open in OpenStreetMap5-Day Forecast
Weather at West Fork Upper Pahsimeroi Trailhead
Live forecast for the park. Plan your visit accordingly.
Today
Overcast
66°/45°
🌬 16mph
↑ 7:33 AM ↓ 7:13 PM
Sat
Partly Cloudy
66°/44°
🌬 9mph
↑ 7:35 AM ↓ 7:11 PM
Sun
Clear
68°/44°
🌬 7mph
↑ 7:36 AM ↓ 7:09 PM
Mon
Overcast
68°/51°
💧 3%🌬 11mph
↑ 7:37 AM ↓ 7:07 PM
Tue
Overcast
64°/46°
🌬 11mph
↑ 7:38 AM ↓ 7:06 PM
Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.
Plan Your Visit to West Fork Upper Pahsimeroi Trailhead
Heading to West Fork Upper Pahsimeroi Trailhead? A few things to know before you go:
- Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
- Fees: day-use and camping fees vary; check current rates on the official park page
- Trash & pack-out: follow Leave No Trace principles
- Wildlife: store food in bear boxes where provided; never feed wildlife
- Weather: the 5-day forecast above is updated every 6 hours; verify just before you go
References & Official Resources
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