Southwestern Mount Desert Island loop

This road cycling loop is rated as moderate. While it features mostly well-paved surfaces, you can expect a mix of flat sections, rolling hills, and some steeper, winding segments. It requires a good level of fitness to comfortably complete the ~408 meters of elevation gain over its ~42.7 km distance.

On average, cyclists can expect to complete this ~42.7 km loop in about 1 hour and 57 minutes. This duration can vary based on your fitness level, the number of stops you make, and weather conditions.

While the exact starting point for this specific loop can be flexible, you'll find various parking areas around Southwest Harbor or other points along the Park Loop Road. Be aware that parking can fill up quickly, especially during peak season. Consider arriving early to secure a spot.

Yes, the fare-free Island Explorer bus service operates seasonally and offers a Bicycle Express service. This can be a convenient option for transporting your bike to various points around Mount Desert Island, including areas that connect to or are near this loop.

This loop treats you to diverse and picturesque scenery, including rugged coastlines, dense pine forests, and potential views of Cadillac Mountain. You'll pass by notable highlights such as Echo Lake and ride along the scenic Seawall Road, offering classic Acadia vistas.

The terrain for this racebike loop is primarily on paved roads, likely utilizing segments of the Park Loop Road and other paved routes on the southwestern side of Mount Desert Island. The Park Loop Road is known for its 'immaculate tarmac,' but expect a mix of flat sections, rolling hills, and some steep, winding climbs. It's important to note that while Acadia has extensive carriage roads, they have a crushed rock surface and are not suitable for traditional road bikes.

The best time to cycle this loop is generally from late spring through early fall (May to October). During summer, the scenery is lush, but the Park Loop Road can become congested with vehicles, especially between 10 am and 4 pm. For a more pleasant experience, consider cycling in the shoulder seasons or early mornings/late afternoons during peak summer.

Acadia National Park is generally dog-friendly, and leashed dogs are permitted on most roads and carriage roads. However, always ensure your dog is on a leash no longer than 6 feet (1.8 meters) and be mindful of other cyclists and vehicles on the paved sections of this loop.

Yes, an entrance pass is required for all visitors to Acadia National Park, including cyclists. You can purchase passes online or at various park entrances. For more details, visit the official nps.gov website.

Yes, while primarily a road cycling route, the loop may pass near or briefly intersect with sections of trails like the Saint Sauveur Mountain Trail, Ship Harbor, Acadia Mountain Trail, Wonderland, Kelley Farm Trail, Echo Lake Ledges, Man O War Brook Trail, and Ledge Trail. These are typically hiking trails and not suitable for road bikes.

The Park Loop Road, which forms part of this route, lacks a dedicated shoulder and can become congested with vehicles, especially between 10 am and 4 pm. Speed limits are low (25-35 mph), but always be vigilant. For a safer and more enjoyable experience, consider cycling during off-peak hours or seasons.