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Routes
Hiking trails & Routes
United States
Connecticut
Northwest Hills Planning Region

Undermountain Trail

Moderate

5.0

(2834)

13,247

hikers

Undermountain Trail

01:05

2.96km

310m

Hiking

Hike the challenging 1.8-mile Undermountain Trail in Salisbury, Connecticut, gaining 1011 feet to connect with the Appalachian Trail.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1.62 km

Appalachian Trail Scenic Open Space

Nature Reserve

B

2.96 km

End point

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Way Types & Surfaces

Way Types

2.95 km

< 100 m

Surfaces

2.91 km

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Monday 25 May

21°C

11°C

32 %

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Max wind speed: 14.0 km/h

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Frequently Asked Questions

What is the best way to access the Undermountain Trail and where can I park?

The Undermountain Trail is a popular starting point for hikers in Connecticut. The trailhead is located in Salisbury, Connecticut. Parking is available at the trailhead, but it can fill up quickly, especially on weekends and during peak seasons. Arriving early is recommended to secure a spot.

Is the Undermountain Trail suitable for beginners or families with young children?

The Undermountain Trail is widely considered strenuous and challenging, with a consistent climb gaining approximately 1,000 feet in elevation over its 1.8 to 2-mile length to the Appalachian Trail. It's often described as 'Mother Nature's stairmaster' and requires hikers to be in good physical condition. While not ideal for beginners or very young children, experienced hiking families might find it rewarding.

What kind of terrain can I expect on this hike?

You'll encounter varied terrain, including a typical New England hardwood forest, lush fields of ferns, and numerous rock steps. While the trail underfoot is generally not overly difficult, it is a steady ascent. There are also wooden planks in some sections and the possibility of minor mud, especially after rain. The area offers a distinct 'mountainous feel' with thick forests.

What are the notable viewpoints or scenic features along the route?

The trail leads to fantastic overviews and spectacular vistas of mountains and lakes, including Lion's Head, Wetauwanchu Mountain, and the Twin Lakes. During blooming seasons, particularly with rhododendrons, the trail can be very picturesque. Continuing onto connected trails can also reveal features like waterfalls and Sages Ravine.

Does the trail connect to other well-known paths?

Yes, the Undermountain Trail is a primary access point to the Appalachian Trail (AT) at Riga Junction. It also forms part of popular loop hikes, often connecting with the Paradise Lane Trail and a section of the Appalachian Trail to create a multi-mile circuit. The Paradise Group Campsite Trail also intersects with the route.

Is the Undermountain Trail dog-friendly?

Yes, the Undermountain Trail is generally dog-friendly. However, given the challenging and strenuous nature of the climb, ensure your dog is in good physical condition and accustomed to hiking. Always keep your dog on a leash and be sure to pack out any waste.

What is the best time of year to hike the Undermountain Trail?

The trail is beautiful in spring when flowers, especially rhododendrons, are in bloom, and in autumn for vibrant fall foliage. Summer offers lush greenery, but can be warm and humid. Winter hiking is possible but requires appropriate gear for snow and ice, as conditions can be challenging. Always check weather conditions before you go.

Are there any permits or entrance fees required for the Undermountain Trail or Mount Riga State Park?

The Undermountain Trail is located within Mount Riga State Park. Generally, there are no specific permits or entrance fees required for hiking the trail itself. However, it's always a good idea to check the official Connecticut State Parks website for any updated regulations or advisories regarding the park before your visit.

What should I bring for a hike on this trail?

Given its strenuous nature, proper preparation is key. You should bring plenty of water, snacks or food, and wear appropriate clothing and sturdy hiking boots. Trekking poles can be helpful for the consistent climb and descent. Always carry a map or GPS device, as well as basic first-aid supplies.

Are there any cafes, pubs, or accommodation options nearby in Salisbury, CT?

Yes, the town of Salisbury, Connecticut, offers various amenities. You can find cafes, pubs, and accommodation options in Salisbury and the surrounding areas to refuel or relax after your hike. It's a charming New England town with services catering to visitors.

What are some of the higher peaks accessible from the Undermountain Trail?

The Undermountain Trail serves as a gateway to several high-elevation summits in Connecticut and nearby Massachusetts. From the Appalachian Trail connection, you can access peaks such as Bear Mountain (Connecticut's tallest peak), Mount Frissell (which contains Connecticut's highest point), Mount Riga, Lion's Head, and Mount Everett.

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