The Clark Art Institute – Mount Greylock loop from Williamstown
The Clark Art Institute – Mount Greylock loop from Williamstown
2.6
(5)
98
riders
The Clark Art Institute – Mount Greylock loop from Williamstown
03:19
59.9km
1,060m
Road cycling
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.
Last updated: November 26, 2025
Waypoints
Start point
Parking
Get Directions
214 m
The Clark Art Institute
Highlight • Monument
Translated by Google •
Tip by
4.57 km
Green River Wildlife Management Area
Nature Reserve
7.26 km
Green River Wildlife Management Area
Highlight • Natural
Tip by
25.5 km
Rockwell Road
Highlight (Segment) • Cycleway
39.0 km
Mount Greylock
Highlight • Summit
At the peak, there is a visitor center, restrooms and a scenic viewing area.
Tip by
59.9 km
End point
Parking
Way Types & Surfaces
Way Types
30.4 km
16.4 km
12.9 km
< 100 m
< 100 m
Surfaces
54.2 km
5.08 km
596 m
< 100 m
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Elevation
Highest point (1,050 m)
Lowest point (190 m)
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Weather
Powered by Foreca
Today
Friday 26 June
26°C
16°C
85 %
Additional weather tips
Max wind speed: 12.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Description
If you're seeking a road cycling challenge that blends cultural charm with Massachusetts' most demanding climb, The Clark Art Institute – Mount Greylock loop from Williamstown is an exceptional choice. This difficult 37.2-mile (59.9 km) route features a significant 3489 feet (1063 metres) of elevation gain, typically taking around 3 hours and 19 minutes. It's ideal for experienced cyclists ready to push their limits on steep ascents and enjoy panoramic rewards.
What to expect on The Clark Art Institute – Mount Greylock loop from Williamstown
This route offers a diverse journey, beginning near the beautiful grounds of the Clark Art Institute in Williamstown before heading towards the iconic Mount Greylock. The climb up Mount Greylock is the highlight, known as the hardest bike climb in the state, with approaches like Notch Road featuring hairpin turns and grades well over 10%, even reaching 15-17% in sections. As you ascend through deep woods, the scenery transforms, culminating in expansive views from the summit towards the New York border and the Green Mountains of Vermont. This demanding ride is best suited for advanced cyclists who appreciate both a physical test and stunning natural beauty.
Planning your visit
While the roads leading up Mount Greylock are generally paved and in good condition as of 2020, the descent, particularly via Notch Road, is steep and features challenging hairpin turns, requiring extreme caution. There are no specific permits mentioned for cycling this route. The area is beautiful in spring, summer, and fall, but always check weather conditions, especially for the mountain, as it can change rapidly. Starting early is always a good idea to allow ample time for the climb and descent.
Trail details
- Distance: 37.2 miles (59.9 km)
- Elevation gain: 3489 feet (1063 metres)
- Difficulty: difficult
- Estimated time: 3 hours and 19 minutes
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