Fairfax – Twin Knolls loop from Fairfax

If you're looking for a serious challenge on two wheels, the Fairfax – Twin Knolls loop from Fairfax delivers. This difficult touring cycling route spans 25.6 miles (41.3 km) and packs in a significant 3087 feet (941 metres) of elevation gain, typically taking around 3 hours and 1 minutes to complete. It's a demanding ride best suited for cyclists with very good fitness who appreciate a substantial climb.

What to expect on Fairfax – Twin Knolls loop from Fairfax

This loop is primarily a paved journey, winding through the rolling hills and extensive green spaces characteristic of Fairfax County. While specific landmarks aren't detailed, you can expect a ride that transitions through woodlands and stream valleys, offering scenic views of forests and potentially lakes along the way. Be prepared for a physically demanding experience; the substantial climbing means you'll be working hard, even if the surfaces are smooth. This route is ideal for experienced touring cyclists ready for a rigorous workout.

Planning your visit

Given the significant elevation gain, planning your visit during cooler parts of the day or year is advisable to manage the effort. While the route is accessible, its difficulty means you should ensure your bike is in good condition and you carry enough water and nutrition. Parking information for the trailhead isn't specified, but Fairfax offers various public access points to its extensive trail network.

Trail details

• Distance: 25.6 miles (41.3 km)
• Elevation gain: 3087 feet (941 metres)
• Difficulty: difficult
• Estimated time: 3 hours and 1 minutes