FacilityFacilityRecreation.gov

Lost River Ranger District

Mackay, Idaho · Custer County · Facility

Lost River District

🧭 Get Directions
Advertisement
43.91416, -113.61146
Open in OpenStreetMap
5-Day Forecast

Weather at Lost River Ranger District

Live forecast for the park. Plan your visit accordingly.

Avg High88°F
Avg Low63°F
Peak Rain Chance17%
Humidity43%
UV (avg)7
Air Quality46 · Good
Today
☁️
Overcast
76°/61°
💧 17%🌬 19mph
↑ 6:12 AM ↓ 9:09 PM
Thu
☁️
Overcast
86°/59°
💧 5%🌬 14mph
↑ 6:13 AM ↓ 9:08 PM
Fri
☁️
Overcast
93°/65°
💧 7%🌬 21mph
↑ 6:14 AM ↓ 9:07 PM
Sat
☁️
Overcast
92°/64°
💧 7%🌬 20mph
↑ 6:15 AM ↓ 9:06 PM
Sun
🌦
Light Drizzle
92°/66°
💧 1%🌬 19mph
↑ 6:16 AM ↓ 9:05 PM

Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.

About Lost River Ranger District

Lost River District

Plan Your Visit to Lost River Ranger District

Heading to Lost River Ranger District? 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

Frequently Asked Questions

Do I need a reservation for Lost River Ranger District?

No central reservation system listed for Lost River Ranger District. Check the official page (https://www.recreation.gov/camping/campgrounds/239898) for the latest entry policy and availability.

Guides & rankings

More on Idaho parks & hiking

View all posts →
Hiker on a high alpine ridge above a glacial valley at dawnPhoto: Tobias Mrzyk
State Rankings

The 10 Longest Hiking Trails in Idaho, Ranked

Idaho's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.

By The OutsideAtlas Team7 min
Sunlit forest trail winding through tall conifersPhoto: Sergei Akulich
State Rankings

Idaho's 10 Most Punishing Trails by Elevation Gain

Steep is hard. These are the ten Idaho trails with the most total elevation gain — quad-burners earned by hard climbing.

By The OutsideAtlas Team7 min
Alpine lake reflecting jagged mountain peaks at sunrisePhoto: Joshua Earle
State Rankings

The Best Beginner-Friendly Hikes in Idaho

Ten gentle, well-marked Idaho trails perfect for first-time hikers, families, or recovery days.

By The OutsideAtlas Team7 min
Sunlit forest trail winding through tall conifersPhoto: Sergei Akulich
State Rankings

The 10 Most Challenging Hikes in Idaho

Idaho's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.

By The OutsideAtlas Team8 min
Alpine lake reflecting jagged mountain peaks at sunrisePhoto: Joshua Earle
Parks & Travel

The Best National Parks & Recreation Areas in Idaho

Federal parks and recreation areas in Idaho ranked by what they actually offer hikers and campers, not just popularity.

By The OutsideAtlas Team6 min
Alpine lake reflecting jagged mountain peaks at sunrisePhoto: Joshua Earle
State Rankings

Best Waterfall Hikes in Idaho: 10 Trails to See Falls Up Close

Idaho's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.

By The OutsideAtlas Team7 min