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Exit 408

I-90 Exit 400
MT-78 Red Lodge - North
I-90 Exit 426
I-90 East - Exit 408

I-90 East - Exit 408

I-90 east approaching Exit 408 - MT-78/Columbus. Columbus is the county seat of Stillwater County.

I-90 West - Exit 408

I-90 West - Exit 408

I-90 west at Exit 408 - MT-78/Columbus.

I-90 East - Exit 408 - Yellowstone Park

I-90 East - Exit 408 - Yellowstone Park

I-90 East approaching Exit 408. Yellowstone Park access via Exit 408, inquire locally. The route to Yellowstone Park through Columbus, Montana is to take MT-78 south to Red Lodge, thence US-212 west over Beartooth Pass to the northeast entrance to the park. Beartooth Pass typically does not open until June, and closes early in the season.