Prospect Mountain via Weeks State Park Road
Prospect Mountain via Weeks State Park Road
4.5
(3761)
13,608
riders
00:23
4.75km
150m
Road cycling
Cycle the easy 3.0-mile Prospect Mountain via Weeks State Park Road for panoramic views of the White Mountains and Green Mountains.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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2.37 km
Highlight • Summit
Tip by
4.75 km
End point
Parking
Way Types & Surfaces
Way Types
4.75 km
Surfaces
4.70 km
< 100 m
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This route was planned by komoot.
You can typically find parking at the entrance to Weeks State Park on Route 3 in Lancaster, New Hampshire. This is where the paved auto road begins its ascent to Prospect Mountain.
The paved auto road is generally open to vehicular traffic and cyclists seasonally, typically from Memorial Day to Columbus Day. This period offers the best weather for cycling and enjoying the panoramic views. Outside of these months, road conditions may be unsuitable due to snow or ice.
Yes, dogs are generally permitted on the Weeks State Park Road. However, it's always best to keep them on a leash, especially given that the road is shared with vehicular traffic and other walkers. Please remember to clean up after your pet.
Access to Weeks State Park and the auto road to Prospect Mountain typically does not require a specific cycling permit or entrance fee. However, it's always a good idea to check the official Weeks State Park website for any updated regulations or fees before your visit.
The route is entirely on a paved auto road, which is winding and features at least two hairpin turns. It's a continuous uphill climb with an average grade of around 10% over approximately 1.5 miles, making it a strenuous and challenging ascent for road cyclists.
As you ascend, eastern viewpoints offer vistas of the Pilot Range, Jefferson Valley, and Mount Washington. From the summit of Mount Prospect, you'll be rewarded with spectacular 360-degree panoramic views, including the Presidential Range, Vermont's Green Mountains, the Kilkenny Range, the Percy Peaks, and the upper Connecticut River Valley. The summit also features the historic house museum, carriage house, and a fieldstone fire lookout tower, near the Prospect Mountain Summit.
Given the challenging 1.5-mile climb with an average 10% grade, a typical ascent for a road cyclist could range from 20 to 45 minutes, depending on fitness level and pace. The descent will be much quicker.
While primarily an auto road, the area around Weeks State Park does feature other trails. The cycling route itself may run parallel to or briefly intersect with sections of paths like the New Hampshire Heritage Trail and the Around the Mountain Loop Trail, which are more suited for hiking or mountain biking.
Due to the significant and continuous uphill grade (averaging 10%) over 1.5 miles, this route is considered challenging and is generally not recommended for beginner road cyclists. It requires a good level of fitness and experience with sustained climbs.
Yes, the town of Lancaster, New Hampshire, is just a short distance from Weeks State Park. You can find various cafes, restaurants, and pubs in Lancaster to refuel after your ride.
The paved road is narrow and winding, and it is open to vehicular traffic seasonally. While bicycling is permitted, cyclists should exercise extreme care, especially on descents and around the hairpin turns. Consider cycling during off-peak hours to potentially encounter less vehicle traffic.