Big Lost River Access Trail runs outside Mackay through the Lost River Valley.
Plan your visit
Big Lost River Access Trail, Mackay, Idaho 83251
- Admission
- Free
- Hours
- Confirm current opening times
- Parking
- Limited Parking
- Restrooms
- Details not confirmed
- Access
- Details not confirmed
- Setting
- Outdoor · All Ages · Year-Round
Photos have not been added to this listing yet.
🌳 Amenities & Features
- 🥾 3-mile non-motorized trail
- 🎣 Fishing access
- 🦌 Wildlife viewing
- 🏔️ Lost River Range scenery
💡 Good to Know
- Adjacent land is private in places; stay on the designated trail.
- Bring water and sun protection in warm weather.
Listing review date: 2026-10-15. Core information checked against official sources; unconfirmed details remain noted.