Cut Bank Creek Gulf of Mexico Watershed - Glacier Park Searching for Stones . . . Our mission - get stones tumbled in at least one creek from each of the three watersheds, Pacific, Gulf of Mexico and Hudson Bay. Thought perhaps to be a dream, these various creeks do indeed come down from one peak existing in Glacier Park, Triple Divide. Finding the Gulf of Mexico qualifying stream, Cut Bank Creek, and following it down 2.8 miles of gravel/dirt road we come upon a place to easily retrieve our treasure.