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Routes
Road cycling routes
United States
New York
Suffolk County
Port Jefferson

Mount Sinai Harbor – Grumman Memorial Park loop from Port Jefferson

Routes
Road cycling routes
United States
New York
Suffolk County
Port Jefferson

Mount Sinai Harbor – Grumman Memorial Park loop from Port Jefferson

Moderate

2.7

(4)

39

riders

Mount Sinai Harbor – Grumman Memorial Park loop from Port Jefferson

03:00

74.2km

270m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 19, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 7.30 km for 2.72 km

Open: • dawn-dusk (otherwise closed)

After 70.5 km for 1.89 km

Open: • dawn-dusk (otherwise closed)

Waypoints

A

Start point

Train Station

Get Directions

1

4.20 km

Mount Sinai Harbor

Highlight • Natural

Mount Sinai Harbor holds a marine sanctuary and a nature preserve. It's a beautiful place, popular with clamming and fishing enthusiasts.

Tip by

2

16.2 km

Wardenclyffe Tower (Tesla Tower)

Highlight • Monument

The Wardenclyffe Tower, also known as the Tesla Tower, was an early experimental wireless transmission station designed and built by Nikola Tesla from 1901 to 1902.

Tip by

3

26.2 km

Grumman Memorial Park

Highlight • Monument

Grumman Memorial Park is right next to the Vietnam Veterans Memorial Recreational Trail. The park is open every day from 9 a.m.–5 p.m., and features two retired military planes. There …

Tip by

4

27.5 km

Burma Boulevard passes straight through the airstrip at Calverton Executive Airpark. It's an intriguing place to ride your bike.

Tip by

5

34.1 km

Peconic River

Highlight • River

The Peconic River flows through the east end of Long Island, and it is just about 15 miles long. The river is an important ecosystem for fish and birds. The …

Tip by

6

61.1 km

Spring Lake

Highlight • Lake

Spring Lake is on the eastern edge of the Spring Lake Golf Course, and this area is open weekdays from 6:30 a.m.– 6 p.m. and weekends from 5:30 a.m.– 6 …

Tip by

B

74.2 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

45.1 km

24.4 km

3.34 km

917 m

381 m

102 m

Surfaces

70.6 km

3.27 km

414 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

Powered by Foreca

Today

Friday 4 September

28°C

21°C

27 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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