Based on the latest information available, the boat ramp named Flathead County in Montana is a standard concrete boat ramp. It is approximately 25 feet wide, making it suitable for launching a variety of watercraft.

The boat ramp services Flathead Lake, which is the largest natural freshwater lake in the western United States. Flathead Lake spans across two counties in Montana, Flathead County and Lake County.

A variety of watercraft are permitted on Flathead Lake, including motorized boats, sailboats, kayaks, canoes, and stand-up paddleboards. However, it is important to note that all watercraft must comply with Montana state regulations, including safety equipment requirements and speed limits.

Overall, the Flathead County boat ramp provides convenient access to one of Montana's most popular outdoor recreation destinations. It is a well-maintained facility that allows for easy launching and retrieval of boats, making it a popular spot for locals and tourists alike.