The Rattlesnake Mountains are a prominent mountain range located just 4 miles north of Missoula, Montana, USA. The highest point in the range is McLeod Peak,. Much of the range is protected in the Rattlesnake Wilderness and Rattlesnake National Recreation Area on the Lolo National Forest. An additional 36,000 acres of the range are protected on the …The Rattlesnake Mountains are a prominent mountain range located just 4 miles north of Missoula, Montana, USA. The highest point in the range is McLeod Peak,. Much of the range is protected in the Rattlesnake Wilderness and Rattlesnake National Recreation Area on the Lolo National Forest. An additional 36,000 acres of the range are protected on the Flathead Indian Reservation as the South Fork Tribal Primitive Area; this area is off-limits to non-tribal members. Including the Tribal Primitive Area, then, about 100,000 acres of the Rattlesnakes are roadless.