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Routes
Road cycling routes
United States
New York
Suffolk County
Saint James

Mount Sinai Harbor Loop

Moderate

4.5

(8257)

17,861

riders

Mount Sinai Harbor Loop

03:24

78.6km

480m

Road cycling

The Mount Sinai Harbor Loop is a moderate 48.8-mile road cycling route with scenic harbor views and 1581 feet of elevation gain.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Rocky Point Pine Barrens State Forest

Waypoints

A

Start point

Train Station

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1

28.7 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

B

78.6 km

End point

Train Station

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Way Types & Surfaces

Way Types

38.6 km

16.2 km

15.7 km

8.01 km

104 m

Surfaces

64.8 km

13.6 km

266 m

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Elevation

Elevation

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

Highest point (70 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Today

Friday 15 May

19°C

9°C

46 %

Additional weather tips

Max wind speed: 18.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Mount Sinai Harbor Loop?

While specific parking areas for the entire loop aren't detailed, you can often find public parking near the Mount Sinai Harbor itself, which is a key highlight of the route. Look for municipal lots or designated parking near public access points to the harbor or coastal parks in the Mount Sinai area.

Is the Mount Sinai Harbor Loop suitable for beginner road cyclists?

The Mount Sinai Harbor Loop is classified as a moderate road cycling route. While it features mostly well-paved surfaces, its length of nearly 79 kilometers and an elevation gain of around 480 meters suggest that a good level of fitness is required. Beginners might find the full loop challenging, but could consider shorter segments.

What kind of scenery can I expect along the route?

The route offers appealing scenery, primarily encompassing the picturesque Mount Sinai Harbor with its calm, clear waters. You'll also experience a mix of landscapes including pine barrens, coastal parks, and glacial moraines, providing a diverse natural backdrop for your ride.

What is the best time of year to cycle the Mount Sinai Harbor Loop?

The best time of year to cycle this route is typically during the spring, summer, and fall months. These seasons offer pleasant weather conditions for road cycling and allow you to fully enjoy the scenic coastal views. Winter cycling might be possible, but be prepared for colder temperatures and potentially icy conditions.

Are there any permits or entrance fees required for the Mount Sinai Harbor Loop?

Generally, there are no specific permits or entrance fees required to cycle the Mount Sinai Harbor Loop itself, as it primarily uses public roads and access points. However, if you venture into specific parks or preserves along the way, such as sections of the Rocky Point Pine Barrens State Forest, always check for any local regulations or fees that might apply to those specific areas.

Is the Mount Sinai Harbor Loop dog-friendly?

As a road cycling route, the Mount Sinai Harbor Loop is not typically considered 'dog-friendly' in the same way a hiking trail might be. Dogs are generally not recommended to accompany cyclists on long road rides for safety reasons. If you plan to visit parks or natural areas along the route with a dog, always check their specific leash laws and regulations.

Does the route pass through any other well-known trails?

Yes, while primarily a road cycling loop, the route does briefly intersect or run parallel to several other paths. You might encounter very small sections of trails like the Setauket-Port Jefferson Station Greenway, Paumanok Path, North Shore Rail Trail, and various segments of the Blue Horse Trail and Paul Simons Memorial Path.

What should I know about cycling through the Rocky Point Pine Barrens State Forest?

The Mount Sinai Harbor Loop may pass through or near sections of the Rocky Point Pine Barrens State Forest. This area is known for its unique ecosystem. When cycling here, stay on designated roads or trails, respect wildlife, and be aware of any specific park rules regarding access, permits, or hours of operation, especially if you plan to explore off the main loop.

Are there any cafes or places to stop for refreshments along the way?

Given the route's length and its proximity to the Mount Sinai Harbor and surrounding towns, you will likely find opportunities for refreshments. While specific establishments aren't part of the route data, the Mount Sinai area and nearby communities offer various cafes, delis, and restaurants where you can refuel.

What is the terrain like for road bikes on this loop?

The Mount Sinai Harbor Loop is generally characterized by well-paved surfaces, making it suitable for road bikes. The region features relatively flat terrain with gentle hills, so you can expect a smooth ride for most of the loop. However, if you venture onto interconnected routes in the broader Mount Sinai area, be aware that some segments might be unpaved or less suitable for road bikes.

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