Siffleur Wilderness Area was created in 1961.
The area of Siffleur Wilderness Area is 412.14 square kilometers.
Walpole Wilderness Area was created in 2004.
Wolkberg Wilderness Area was created in 1977.
Slide Mountain Wilderness Area was created in 1985.
Charon Gardens Wilderness Area was created in 1970.
Pusch Ridge Wilderness Area was created in 1978.
Ghost River Wilderness Area was created in 1967.
White Goat Wilderness Area was created in 1961.
Boundary Waters Canoe Area Wilderness was created in 1964.
Charles C. Deam Wilderness Area was created in 1982.
Cape Gantheaume Wilderness Protection Area was created in 1993.
Flat Tops Wilderness Area was created on 1975-01-01.