Hey there, cowboy. It looks like this little ol' article is a bit puny. I reckon you could impress me by adding to it. Don't be shy now. If you're logged in, it'll help you earn them fancy achievements, too.
Bear Mountain seems to take inspiration from the Black Hills of South Dakota. For instance, they have similar histories, with both places considered sacred by Native Americans, as well as fought over by two different tribes before being ultimately mined for gold by settlers.