Bernard Valley to Altar Rock Mountain Bike Trail in Nantucket, Massachusetts

A narrow, sandy path winding through a lush green forest, with trees and shrubs lining both sides. An orange bicycle lies on its side on the path, suggesting it has been abandoned or has fallen. The atmosphere is calm and natural, with dappled light filtering through the leaves. Bernard Valley to Altar Rock mountain bike trail.

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Length: 6 mi (9.7 km)

Surface: 4x4 Trail

Configuration: Out & Back

Elevation: +11/ -11 ft

Total: 8 riders

Mountain Biking Bernard Valley to Altar Rock

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#166 of 223 mountain bike trails in Massachusetts

#16,107 in the world

Rough 4 x 4 road to the top of Altar Rock (Highest point on Nantucket). Very sandy trail.

First added by bikenrun on Aug 13, 2017. Last updated Apr 30, 2020. → add an update

Before you go

Drinking water: unknown
Lift service: unknown
Night riding: unknown
Pump track: unknown
Restrooms: unknown
Fat bike grooming: unknown
E-bikes allowed: unknown
Fee required: unknown

This trail information is user-generated. Help improve this information by suggesting a correction.

Getting there

Route to Trailhead with Google Maps

Take Polpis Rd to the intersection with Hicks Hallow Rd. Bernard Valley Road is directly across from Hicks Hallow.

Local Info

Club Sponsor

Local Bike Shop

Chatham Cycle
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Trail checkins

K1ZMT (Jul 28, 2024)
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Trail conditions

Good (Aug 13, 2018)
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Camping & Lodging

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Bernard Valley to Altar Rock

Mountain Biking Bernard Valley to Altar Rock

Bernard Valley to Altar Rock Trail map