Three Saws, Fun House, Boundary Line, and Lawnmower Trails loop

While officially rated as 'moderate', this loop in the Frederick Watershed is best suited for intermediate to advanced mountain bikers. Riders should have good fitness for the climbs and advanced skills to navigate technical sections, drops, and features. Some parts might even require pushing your bike.

The loop features a variety of terrain, including rocky and technical singletrack with loose, chunky rocks and rock gardens. You'll also find machine-built flow sections like Three Saws Trail and Boundary Line, which offer berms, gaps, and tables. Expect both challenging uphill technical climbs and rowdy, rock-filled downhill sections, with some tight squeezes through trees.

The Frederick Watershed is a popular area for mountain biking. While specific parking lots for this exact loop aren't detailed, riders typically access the trails from various points within the Watershed. It's advisable to check local resources or trail maps for the most convenient and official parking areas before your ride.

The Frederick Watershed is generally open to the public for recreation. However, it's always a good idea to check with local authorities or the Frederick Watershed management for any specific permits, regulations, or entrance fees that might apply, especially for organized events or certain activities.

A major highlight is the Boundary Line trail, described as a machine-built flow trail with multiple berms, gaps, and tables. It was even ranked as one of the top mountain biking trails globally by PinkBike and TrailForks in 2023. Three Saws Trail is also a key feature, known as one of the best downhill trails in the area. The loop also includes sections of Fun House, which offers flowy sections for practicing jumps before transitioning to more technical terrain.

The trails wind through a natural forest setting, offering beautiful scenery, especially in the fall when the changing seasons bring vibrant colors. Spring and early summer also provide pleasant riding conditions with lush greenery. Always check current trail conditions, as weather can impact the technical sections, particularly after rain.

While many outdoor areas in the Frederick Watershed allow dogs, specific regulations for mountain biking trails can vary. It's best to confirm with local park management or official trail guidelines regarding whether dogs are permitted on this specific loop and if leash rules apply.

Yes, this route incorporates sections of several other trails within the Frederick Watershed. You'll ride parts of the Catoctin National Recreation Trail, Yellow Poplar Trail, Headless Hollow Trail, Kubla Khan, The Nose, MouseTrap, and Stoner Rd-(Legacy), among others, creating a diverse riding experience.

The loop takes you through the natural forest setting of the Catoctin Mountain. You'll be surrounded by a dense tree canopy, providing cover and a rugged, natural backdrop for your ride. While specific scenic overlooks aren't highlighted for this loop, the overall forest environment is immersive and enjoyable.

Given the technical nature and duration of this loop, it's essential to bring appropriate mountain biking gear. This includes a well-maintained mountain bike, helmet, gloves, protective padding (knees/elbows), plenty of water, snacks, a repair kit (spare tube, pump, multi-tool), and a first-aid kit. Navigation tools like a GPS device or a loaded map on your phone are also highly recommended.

The Frederick Watershed is located near Frederick, Maryland, which offers a variety of cafes, pubs, and accommodation options. After your ride, you can find numerous choices for dining and lodging in the city of Frederick, just a short drive from the trailheads.