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Mountain biking trails

Somerset County

Blackwells Mills

Carnegie Lake Dam – Lake Carnegie (New Jersey) loop from Blackwells Mills

Mountain biking trails

Somerset County

Blackwells Mills

Carnegie Lake Dam – Lake Carnegie (New Jersey) loop from Blackwells Mills

Moderate

4.5

(5447)

13,788

riders

Carnegie Lake Dam – Lake Carnegie (New Jersey) loop from Blackwells Mills

02:07

35.3km

20m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 14, 2026

Tips

Cycling is not permitted along parts of this route

After 13.7 km for 65 m

After 17.6 km for 130 m

Waypoints

A

Start point

Parking

Get Directions

1

5.96 km

Delaware & Raritan Canal Towpath – Griggstown

Highlight (Segment) • Trail

This historic district has so many stories to tell, starting with the Lenni Lenape Indians that originally occupied this area. Many of their artifacts have been found in this area, along with signs of early European settlers and 18th-century agriculture.

Tip by

2

13.8 km

Millstone River Historical Marker

Highlight • Historical Site

Some of the fighting during the 1777 Battle of Princeton took place at the Millstone River. There are other historical landmarks and signage posted around the city's parks and trails.

Tip by

3

14.0 km

Kingston Lock and Lock Keeper's House

Highlight • Monument

Built in 1834, the Kingston Lock was initially constructed to enable safe and efficient freight transport between Philadelphia and New York. These days it is a historic landmark along the D&R Canal Towpath.

Tip by

4

14.5 km

Carnegie Lake Dam

Highlight • Monument

Built in 1907 at the meeting point of Stony Brook and Millstone River, the Lake Carnegie dam created the lake enjoyed by rowers and the community. After a century of …

Tip by

5

14.5 km

Lake Carnegie (New Jersey)

Highlight • Lake

Carnegie Lake, stretching across parts of central New Jersey, owes its existence to an unusual encounter: a conversation between a painter and Andrew Carnegie. Built in the early 1900s for …

Tip by

6

16.3 km

Delaware and Raritan Canal State Park – East Coast Greenway (Princeton Section)

Highlight (Segment) • Cycleway

This section of the East Coast Greenway is just north of Princeton along Stony Brook and the Deleware Raritan Canal. This is a scenic bit of riding along a gravel path, surrounded by water.

Tip by

7

17.7 km

Wooden Bridge

Highlight • Bridge

This is a nice wooden platform going in between the Delaware and Raritan Canal and Lake Carnegie.

Tip by

B

35.3 km

End point

Parking

Way Types & Surfaces

Way Types

33.7 km

1.05 km

330 m

206 m

< 100 m

Surfaces

33.8 km

746 m

457 m

179 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Saturday 27 June

26°C

18°C

-- %

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