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Mount Sinai Harbor – Avalon Nature Preserve loop from Smithtown

Mount Sinai Harbor – Avalon Nature Preserve loop from Smithtown

Moderate

5.0

(7787)

14,902

riders

Mount Sinai Harbor – Avalon Nature Preserve loop from Smithtown

03:03

67.6km

590m

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 19.6 km for 2.82 km

Open: • dawn-dusk (otherwise closed)

After 22.6 km for 3.24 km

Open: • dawn-dusk (otherwise closed)

Waypoints

Start point

Train Station

Get Directions

16.7 km

Setauket-Port Jefferson Station Greenway Trail

Highlight (Segment) • Trail

The Setauket-Port Jefferson Station Greenway Trail, or Setauket Greenway, is a 3-mile paved path on Long Island’s north shore. It connects scenic old-growth forests, farmland, meadows, business districts, Stony Brook University, and county parks. The trail features a mix of wooded sections and occasional sunny spots, with several road crossings, and some short sections that pass through utility corridors and sand pits.

Tip by

33.1 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

54.3 km

Avalon Nature Preserve

Highlight • Forest

Avalon Nature Preserve, in Head of the Harbor, captivates with its diverse ecosystems. Spanning 216 acres, it features woodlands, wetlands, and serene trails, providing a peaceful haven for nature enthusiasts.

Tip by

58.2 km

Cordwood Park

Highlight • Forest

Gorgeous views all around, very quiet and secluded. It'd be a lovely spot to have lunch and read a book.

The roads there are very hilly and the town it's in is quite wooded and forest-y; it doesn't feel like the usual strip-mall suburbs of Long Island.

Tip by

67.6 km

End point

Train Station

Way Types & Surfaces

Way Types

37.3 km

12.6 km

9.43 km

8.28 km

< 100 m

Surfaces

59.3 km

8.21 km

124 m

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)

Weather

Today

Friday 4 September

29°C

21°C

48 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Mount Sinai Harbor – Avalon Nature Preserve loop from Smithtown

Setauket-Port Jefferson Station Greenway Trail

Mount Sinai Harbor

Avalon Nature Preserve

Cordwood Park

Nearby routes

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