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Mercer County Park boathouse – Etra Lake loop from Princeton Junction

Mercer County Park boathouse – Etra Lake loop from Princeton Junction

Moderate

4.8

(1820)

6,589

riders

Mercer County Park boathouse – Etra Lake loop from Princeton Junction

03:19

71.3km

240m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: June 12, 2026

Tips

Includes a segment in which cycling is not permitted

After 24.6 km for 106 m

Waypoints

Start point

Train Station

Get Directions

5.93 km

Mercer County Park boathouse

Highlight • Rest Area

Your run takes you right past the Boathouse at Mercer Lake, which was recently renovated with 19-foot vaulted ceilings inside, tasteful stonework outside, and a long dock jutting into the lake. This is a popular venue for weddings.

Tip by

23.6 km

Etra Lake

Highlight • Lake

Etra Lake is a nice, calm lake that was formed by a dam across Rocky Brook. There is a great path that runs along the bank, so you are able to get a good view while out walking the trail.

Tip by

24.6 km

Etra Park

Highlight • Parking

39.2 km

Assunpink Wildlife Management Area

Nature Reserve

71.3 km

End point

Train Station

Way Types & Surfaces

Way Types

43.1 km

17.4 km

6.71 km

1.84 km

1.75 km

300 m

287 m

Surfaces

52.6 km

16.3 km

1.42 km

1.09 km

Elevation

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

Highest point (70 m)

Lowest point (20 m)

Weather

Wednesday 15 July

36°C

23°C

-- %

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Mercer County Park boathouse – Etra Lake loop from Princeton Junction

Mercer County Park boathouse

Etra Lake

Etra Park

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