Big Lost River Access Trail

The Big Lost River Access Trail begins outside of Mackay, Idaho and provides visitors with hiking, fishing, and wildlife viewing opportunities. This trail is about 1 mile long, one way, and open to non-motorized use only. The Big Lost River contains Brook, Rainbow, and Cutthroat Trout species. 

Please respect the adjacent private property by staying on the trail. There is typically cell service at this site.

Adventure is at Your Fingertips

Phone

208-879-6200

Email

BLM_ID_ChallisOffice@blm.gov

Activities

Iconograph of a fish head and a fishing hook on a line
FISHING
Iconograph of two people wearing backpacks and using walking sticks
HIKING
Iconograph of a camera
PHOTOGRAPHY

Geographic Coordinates

43.91472222, -113.6372222

Directions

Approximately 1 mile northwest of Mackay, Idaho along the Big Lost River. Turn west off of Hwy. 93 onto Main St. in Mackay. Continue south; Main Street turns into Smelter Road and crosses the Big Lost River (there is a signed IDF&G public river access on the southeast side of the bridge). Proceed approximately 1 mile, cross the cattleguard and turn right. Follow this road approximately 2 miles to the signed day use parking area for the Big Lost River Access Trail, located on the north side of the road.

Fees

There are no fees associated with this area.