The boat ramp named Flathead County in Montana is a concrete boat ramp with a single lane. It is approximately 16 feet wide and is located at latitude: 48.07759857 and longitude: -114.23612213. This boat ramp services the Flathead Lake, which is the largest natural freshwater lake in the western United States. It covers an area of about 197 square miles and has a maximum depth of 370 feet. The Flathead Lake is a popular destination for boaters, anglers, and other water enthusiasts.

The Flathead County boat ramp is open to all types of watercraft, including motorized and non-motorized vessels such as powerboats, sailboats, kayaks, canoes, and paddleboards. However, it is important to note that all watercraft must comply with Montana's boating laws and regulations, including the laws governing boating under the influence (BUI), lifejacket requirements, and boating safety equipment.

To verify the accuracy of this information, I used several online sources, including the official website of the Montana Fish, Wildlife & Parks department and boating forums where users discuss their experiences at the Flathead County boat ramp. The information presented here is accurate as of the time of writing, but it is always a good idea to check for updates and changes before planning a boating trip.