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Routes
Road cycling routes
United States
New York
Suffolk County
Ronkonkoma

Granny Road Loop

Moderate

4.9

(6824)

17,737

riders

Granny Road Loop

02:29

61.8km

290m

Road cycling

Cycle the moderate 38.4-mile Granny Road Loop in New York, featuring Lake Ronkonkoma and Mount Sinai Harbor views.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Rocky Point Pine Barrens State Forest

Waypoints

A

Start point

Get Directions

1

2.50 km

Lake Ronkonkoma

Highlight • Lake

This lake was formed by retreating glaciers. It is the largest freshwater lake on Long Island.

Tip by

2

38.2 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

61.8 km

End point

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Way Types & Surfaces

Way Types

29.8 km

27.3 km

4.12 km

514 m

< 100 m

Surfaces

60.0 km

1.76 km

< 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.

Highest point (70 m)

Lowest point (10 m)

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Weather

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Friday 29 May

24°C

12°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to complete the Granny Road Loop by racebike?

The Granny Road Loop is approximately 61.8 kilometers (38.4 miles) long. For a racebike, the estimated duration to complete the route is around 2 hours and 28 minutes, depending on your pace and stops.

What is the difficulty level of this racebike route?

This route is classified as moderate. While the total elevation gain is around 290 meters (950 feet), it's spread out over the distance, offering a good challenge without overly steep climbs, making it suitable for experienced road cyclists.

Are there any notable landmarks or scenic points along the way?

Yes, the route offers views of natural features. You'll pass by Lake Ronkonkoma and Mount Sinai Harbor, providing scenic breaks during your ride.

What is the best time of year to cycle the Granny Road Loop?

For racebiking, the best times are generally spring and fall when temperatures are milder and the scenery is pleasant. Summer can also be enjoyable, but be prepared for warmer weather. Winter cycling might be possible, but check for road conditions and ice.

Is the Granny Road Loop suitable for beginners in road cycling?

Given its moderate difficulty and distance of nearly 62 kilometers, this route is best suited for cyclists with some experience. Beginners might find the distance challenging, but it could be a good goal to work towards.

Does the route intersect with any other official trails?

Yes, the route briefly overlaps with sections of several other trails, including the Long Island Greenway—Phase III, Paumanok Path, and the North Shore Rail Trail. You may also encounter parts of the Setauket-Port Jefferson Station Greenway.

What kind of terrain can I expect on this racebike route?

As a racebike route, you can expect predominantly paved roads. The terrain includes rolling sections with some gradual climbs and descents, contributing to its moderate difficulty rating.

Are dogs allowed on the Granny Road Loop?

Since this is primarily a road cycling route, dogs are generally not recommended to accompany cyclists due to traffic safety. If you plan to stop at any parks or natural areas along the way, check local regulations regarding dogs.

Do I need any permits or pay entrance fees to cycle this route?

No, there are no specific permits or entrance fees required to cycle the Granny Road Loop, as it primarily uses public roads and accessible areas.

What should I bring for a racebike ride on this loop?

For this moderate racebike loop, essential items include a well-maintained racebike, helmet, water bottles, nutrition, a repair kit (spare tube, pump, tire levers), and appropriate cycling attire. Sunscreen and sunglasses are also recommended.

Are there any facilities like cafes or restrooms along the route?

While the route itself doesn't have dedicated facilities, it passes through areas where you can find towns and communities. You'll likely find opportunities for restrooms, cafes, and resupply points in these areas, especially near the highlights like Lake Ronkonkoma and Mount Sinai Harbor.

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