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Hiking trails & Routes
Warren County

Thomas Mountain

Easy

5.0

(1)

13

hikers

Thomas Mountain

01:32

4.79km

210m

Hiking

Easy 3.0-mile hike to Thomas Mountain Lookout with panoramic views of Lake George and the Adirondacks.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Adirondack Park

Waypoints

A

Start point

Parking

Get Directions

1

1.25 km

Thomas Mountain Trail Junction

Highlight • Trail

At this junction you can proceed west up the Richard Hayes Phillips Trail to the summit of Thomas Mountain, South along the Blue Trail to Cat Mountain via a collection …

Tip by

2

2.39 km

Thomas Mountain Lookout

Highlight • Viewpoint

Schedule time to enjoy this vista. Great place for a meal break.

Tip by

B

4.79 km

End point

Parking

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Way Types & Surfaces

Way Types

4.68 km

Surfaces

4.68 km

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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 (580 m)

Lowest point (370 m)

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Weather

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Today

Tuesday 26 May

27°C

8°C

17 %

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 Thomas Mountain?

The hike to Thomas Mountain is approximately 3 miles round trip. Most hikers complete it in about 1.5 to 2 hours, depending on their pace and how long they spend enjoying the summit views.

Is the Thomas Mountain trail suitable for beginners or families with children?

Yes, the Thomas Mountain trail is generally considered easy to moderate, making it an excellent choice for beginners and families. The initial sections are gentle, though there is a steeper stretch closer to the summit. It's a great introduction to hiking in the Adirondacks.

What are the parking options for the Thomas Mountain trailhead?

Parking is available at the trailhead, which is part of the Cat and Thomas Mountains Preserve. It's advisable to arrive earlier in the day, especially on weekends, as the lot can fill up quickly during peak seasons.

Are dogs allowed on the Thomas Mountain trail?

Yes, the trail is dog-friendly! However, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers.

What is the best time of year to hike Thomas Mountain?

The trail is enjoyable year-round. Spring offers wildflowers, summer provides lush greenery, and fall boasts spectacular foliage. Winter hiking is also possible, but be prepared for snow and ice, and check conditions beforehand. For the best views and comfortable temperatures, late spring to early fall is ideal.

Are there any fees or permits required to hike Thomas Mountain?

No, there are no entrance fees or permits required to hike Thomas Mountain, as it is part of the publicly accessible Lake George Wild Forest within the Cat and Thomas Mountains Preserve.

What kind of terrain can I expect on the hike?

The trail begins on an old road, transitioning to a wide dirt path with gentle inclines and declines. Closer to the summit, you'll encounter a steeper section. Some parts may have loose rocks, so sturdy footwear is recommended. You'll pass through open meadows, deciduous forests, and dense hemlock trees near the top.

What are the main viewpoints or highlights along the route?

The primary highlight is the Thomas Mountain Lookout at the summit, offering panoramic views of the southern basin of Lake George and the surrounding Adirondack mountains. You'll also pass the Thomas Mountain Trail Junction, which provides options for extending your hike.

Does the trail connect to other hiking paths?

Yes, the route is part of the larger Cat and Thomas Mountains Preserve. From the Thomas Mountain summit, you have the option to continue to Cat Mountain for a longer and more challenging trek. The trail also intersects with sections of the Cat Mountain Blue Trail, Richard Hayes Phillips Trail, and the Old Trail (blue discs).

Is there an alternative route to the summit?

Yes, in addition to the main path, there is a newer, slightly longer, and more challenging alternative route known as the Two Brothers Trail. This offers a different experience for those looking for a bit more adventure.

What makes Thomas Mountain a popular choice for hikers?

Thomas Mountain is popular for its accessibility, relatively easy difficulty, and the rewarding, spectacular views of Lake George and the Adirondacks from its summit. It's also part of the Lake George 12ster Hiking Challenge, attracting those looking to complete the series.

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