Rapelje is an unincorporated community and census-Designated Place in northern Stillwater County, Montana, United States.

[6] Rapelje was originally called Lake Basin due to its geographical landscape, but in 1913 it was named after J.M.

[7] Rapelje was first established as a town where local railroad workers of the Northern Pacific Railway would live in the late 1800s.

A railroad destination point, Rapelje developed into a reasonable town with a number of grain elevators, its own school district, an evangelical church, a cafe, and later a violin shop and clothing business.

The 24 Hours of Rapelje is a USA Cycling sanctioned endurance mountain bike race held on the weekend in June closest to the summer solstice.