Tunnel Mountain Formation

Tunnel Mountain Formation Stratigraphic range: Carboniferous
Type	Formation
Location
Region	Alberta
Country	Canada

The Tunnel Mountain Formation is a geologic formation in Alberta. It preserves fossils dating back to the Carboniferous period in bedrock of sandstone with subordinate dolomite, dolomitic sandstone, and quartzite.

It is named after Tunnel Mountain in Banff, Alberta.