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Routes
Hiking trails & Routes
United States
New York
Orange County
Woodbury

LetterRock Mountain Loop Trail

Moderate

3.0

(27)

61

hikers

LetterRock Mountain Loop Trail

03:05

10.5km

290m

Hiking

Hike the moderate 6.5-mile LetterRock Mountain Loop Trail in Harriman State Park, offering varied terrain and views.

Last updated: February 26, 2026

Waypoints

A

Start point

Get Directions

1

386 m

Silver Mine Lake

Highlight • Lake

This is a beautiful lake, popular with fishing and hiking enthusiasts.

Tip by

2

2.83 km

Stone Lean-to Shelter

Highlight • Mountain Hut

3

2.85 km

William Brien Memorial Shelter

Highlight • Mountain Hut

This is one of the park's nine lean-tos. It has two bunk bed platforms. It sits in a pleasant spot, surrounded by trees.

Tip by

4

4.21 km

Creek Bridge

Highlight • Bridge

When you reach the creek, you'll see a small bridge, but the waterway is narrow enough to cross via the rocks in low water seasons. Using the stones may be safer than going across the aging bridge.

Tip by

5

9.85 km

Silver Mine Lake

Highlight • Lake

B

10.5 km

End point

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Way Types & Surfaces

Way Types

10.2 km

328 m

< 100 m

Surfaces

10.2 km

282 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.

Highest point (360 m)

Lowest point (210 m)

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Weather

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Today

Wednesday 20 May

29°C

17°C

77 %

Additional weather tips

Max wind speed: 17.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the LetterRock Mountain Loop Trail?

The Komoot route for the LetterRock Mountain Loop Trail is approximately 10.5 km (6.5 miles) long and generally takes around 3 hours and 5 minutes to complete. Keep in mind that individual hiking times can vary based on fitness level, pace, and how often you stop to enjoy the views.

Is the LetterRock Mountain Loop Trail suitable for beginners?

The Komoot route is rated as moderate. However, some variations, like the Black Mountain - Letterrock Mountain Loop, are considered difficult due to significant climbs and rocky terrain. While not ideal for absolute beginners, hikers with some experience and a reasonable fitness level should find the Komoot route manageable. Be prepared for varied terrain and elevation changes.

What is the terrain like on the trail?

The terrain primarily consists of rocky forests, characteristic of Harriman State Park. You can expect a good climb to reach viewpoints, and the path may include sections of established trails like the Appalachian Trail and Ramapo-Dunderberg Trail. It offers a varied experience with both ascents and descents.

What can I see along the route?

The trail offers excellent views, especially from the ridges and the summit of Black Mountain, providing expansive south-facing perspectives of Silver Mine Lake and the surrounding area. You'll also pass by other notable points like the Stone Lean-to Shelter, William Brien Memorial Shelter, and a Creek Bridge.

Where can I park for the LetterRock Mountain Loop Trail?

Specific parking information for this exact Komoot route is not provided, but as the trail is primarily within Harriman State Park, you would typically look for designated parking areas near trailheads within the park. It's advisable to check the Harriman State Park website or local trail maps for the most current parking locations and regulations before your visit.

Do I need a permit or pay an entrance fee for this trail?

The LetterRock Mountain Loop Trail is located within Harriman State Park. Generally, there are no entrance fees for hiking in Harriman State Park itself, but some parking areas or specific facilities might have fees, especially during peak seasons. Always check the official New York State Parks website for the latest information on fees and regulations before your trip.

Is the LetterRock Mountain Loop Trail dog-friendly?

Harriman State Park generally allows dogs on trails, but they must be kept on a leash at all times. Please ensure you clean up after your pet and follow all park regulations regarding animals to ensure a pleasant experience for everyone.

What is the best time of year to hike this trail?

The trail can be enjoyed during most seasons. Spring offers lush greenery and wildflowers, while autumn provides spectacular fall foliage, making it a very popular time. Summer is also great, but be prepared for warmer temperatures and potential humidity. Winter hiking is possible for experienced hikers with appropriate gear, but conditions can be challenging with snow and ice.

Does the LetterRock Mountain Loop Trail intersect with other well-known paths?

Yes, the route incorporates sections of several other trails. You will hike along parts of the Menomine Trail, the Red Cross Trail, the Ramapo Dunderberg Trail, the Beech Trail, and even a segment of the iconic Appalachian Trail.

Are there any alternative routes or variations of the LetterRock Mountain Loop?

While the Komoot route is a great option, it's worth noting that other variations exist. For instance, the Black Mountain - Letterrock Mountain Loop is a popular, more challenging option known for its excellent views. However, another variation, the Red Cross - Letterrock Mountain Loop, is generally not recommended due to a lack of views and overgrown sections, despite passing through a quiet rhododendron forest.

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