Flathead Lake century loop

The Flathead Lake century loop is classified as a "difficult" road ride, demanding very good fitness from cyclists. It's a challenging route best suited for experienced riders due to its length and significant elevation gain.

The route is approximately 139 kilometers (86 miles) long and typically takes around 6 hours and 17 minutes to complete by racebike, depending on your pace and stops.

The terrain is diverse. While largely consisting of well-paved surfaces, some segments may be unpaved and difficult, potentially requiring cyclists to push their bikes. You'll encounter a mix of flat sections and significant climbs.

The route offers stunning scenery, including astounding mountain views and beautiful water views of Flathead Lake. Notable points of interest include the View of Wild Horse Island State Park, Flathead Lake itself, and the Historical Trail Rails to Trails of Northwest Montana. You might also spot wildlife in the surrounding Flathead National Forest.

While specific parking areas for the entire loop aren't detailed, many cyclists start and finish in towns around the lake. Consider parking in a larger town like Polson or Bigfork, which offer amenities and access to the loop. Always check local regulations for parking availability and restrictions.

The Flathead Lake century loop largely follows public roads and trails. While there are no general permits required for cycling the loop itself, some sections might pass through or near Flathead National Forest. Always check the USDA Forest Service website for any specific regulations or fees if you plan to explore deeper into the forest areas.

As a road cycling route, the Flathead Lake century loop is generally not ideal for dogs due to traffic and long distances on pavement. If you wish to bring your dog, consider shorter, dedicated multi-use trails in the area, and always keep them on a leash and adhere to local pet regulations.

The best time to cycle is typically during the shoulder seasons (spring and fall) when the weather is milder and traffic might be lighter. Summer offers warm weather but can be busier. Always check the weather forecast before you go, as conditions can change rapidly.

Yes, the route briefly intersects with sections of the Great Northern Rail Trail and the Rails to Trails Walk and Bike Path, offering small glimpses of these multi-use trails.

Yes, the route passes by the Flathead Lake Brewing Co. Pubhouse, which can be a great spot for a break and refreshments. Additionally, towns around the lake offer various dining and cafe options.

Given the route's length and difficulty, pack essentials like plenty of water, snacks, a repair kit for your bike, appropriate cycling attire for varying weather, sun protection, and a first-aid kit. A fully charged phone and navigation device are also highly recommended.