The Montana Chapter of the Sierra Club is a volunteer run local organization to provide local events and outings, and to address local issues in the state of Montana. The chapter includes four local groups in the towns of Missoula, Bozeman, Helena and Billings.
The Sierra Club - Montana Chapter
P.O. Box 231 Missoula MT 59806
P.O. Box 231 Missoula Montana 59806 US