Guided Fly Fishing & Float Trips along Kootenai River, ID. Experience the beauty and isolation of the rugged Kootenai River in north Idaho for your next adventure! The Idaho section of the Kootenai flows through a beautiful canyon with virtually no access, accept by boat. The seclusion and isolation of the river adds to its Idaho ruggedness and beauty. The Kootenai River provides room to fish with most days leaving you the river to yourself. Come see what has been hiding in North Idaho and book your next trip with Long Drift Outfitters.