river between Bigfork Dam and Flathead Lake, known as the "Wild Mile" for its drop of over , is known for its extremely difficult Class V+ whitewater. The Bigfork Whitewater Festival takes place in mid-May each year along this section. Above Bigfork Dam, the river is calmer, but can be dangerous when running high in the spring. The river is also known for its log jams, which pose a significant hazard to boaters. The river is also known for excellent fishing for bull trout. However, bull trout numbers have been declining since the introduction of lake trout, most likely around 1998 when anglers reported catching them in the river. See also List of rivers of Montana Montana Stream Access Law Swan River National Wildlife Refuge References External links Upper Swan Valley Oral History Project (University of Montana Archives) Rivers of Montana Bodies of water of Lake County, Montana Rivers of Flathead County, Montana