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Hiking trails & Routes
United States
Connecticut
Northeastern Connecticut Planning Region

Tri-State Marker Loop Trail

Easy

5.0

(5643)

13,395

hikers

Tri-State Marker Loop Trail

00:10

585m

0m

Hiking

An easy 0.4-mile hike in Douglas State Forest to the granite Tri-State Marker, where Connecticut, Rhode Island, and Massachusetts meet.

Last updated: February 26, 2026

Waypoints

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585 m

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Way Types & Surfaces

Way Types

585 m

Surfaces

563 m

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Elevation

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Weather

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Today

Saturday 6 June

29°C

15°C

23 %

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Max wind speed: 20.0 km/h

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Frequently Asked Questions

What is the overall difficulty and terrain like on this trail?

The overall loop is generally considered easy and mostly flat, especially if you incorporate sections like the Coffee House Loop or the Air Line State Park Trail. However, the spur directly to the Tri-State Marker itself can be more challenging, featuring rocky terrain, some brief scrambling, and a significant uphill climb. The scenery is primarily woodland, with sections of old railroad beds offering flat, wide paths, and other areas with roots and rocks.

How long does it typically take to hike this route?

The komoot tour data indicates this specific route is approximately 585 meters (0.36 miles) long and takes about 10 minutes to complete. This suggests a very short, specific segment of the larger trail system. If you plan to hike the full Tri-State Marker Loop Trail within Douglas State Forest, the duration will vary significantly based on the specific route taken, which can range from easy strolls to more challenging multi-mile hikes.

Are dogs allowed on the Tri-State Marker Loop Trail?

Yes, dogs are generally allowed on this trail and within Douglas State Forest. Please ensure your dog remains on a leash at all times to protect wildlife and for the safety of other hikers.

What are the main points of interest along the way?

The primary attraction is the granite Tri-State Marker itself, where you can stand in Connecticut, Rhode Island, and Massachusetts simultaneously. Depending on your chosen route, you might also encounter sections of the historic Air Line State Park Trail, the Coffeehouse Trail, or the Southern New England Trunkline Trail (SNETT). Some variations may even lead to historical features like the site of the Great East Thompson Train Wreck or a 'Hermit Cave'.

What is the best time of year to visit the Tri-State Marker Loop Trail?

This trail can be enjoyed year-round. Spring offers lush greenery and blooming wildflowers, while autumn provides stunning fall foliage. Summer is pleasant, especially in the shaded woodland sections. Winter hiking is possible, but be prepared for potentially icy or snowy conditions, especially on the more rugged sections leading to the marker.

Are there any entrance fees or permits required for Douglas State Forest?

Generally, there are no entrance fees or permits required to access Douglas State Forest or to hike the Tri-State Marker Loop Trail. However, it's always a good idea to check the official Massachusetts DCR website for any updated regulations or specific parking fees that might apply to certain areas within the forest.

Where can I park to access the trailhead?

Parking for the Tri-State Marker Loop Trail is typically available within Douglas State Forest. Specific trailhead access points and parking lots can vary depending on which section of the larger trail system you plan to explore. It's advisable to consult a detailed map or a navigation app like komoot for the most precise parking locations for your chosen starting point.

Does this trail connect with other well-known paths?

Yes, the route intersects with several other trails. This specific komoot tour covers sections of the Air Line Trail, Culvert Trail, Tri-State Marker Loop Trail, and Tri-State Marker Trail. The broader trail system within Douglas State Forest also connects to the Coffeehouse Trail and the Southern New England Trunkline Trail (SNETT).

Is the Tri-State Marker Loop Trail suitable for beginners or families with children?

The overall loop, especially sections on old railroad beds, is often described as very approachable for nearly all ages and skill levels, making it suitable for beginners and families. However, the direct spur to the Tri-State Marker itself involves a challenging uphill, rocky climb, which might be difficult for very young children or those unaccustomed to rugged terrain. Choose your route carefully based on your group's fitness level.

Are there any amenities like restrooms or water sources along the trail?

As this trail is primarily within a state forest, amenities like restrooms and potable water sources are generally limited to designated parking areas or visitor centers, if available. It's recommended to bring your own water and snacks, and to plan for restroom breaks before or after your hike.

What should I wear or bring for a hike on this trail?

Given the varied terrain, sturdy hiking shoes or boots are recommended, especially for the rocky sections near the marker. Dress in layers suitable for the weather, and bring water, snacks, and a map or GPS device. Insect repellent is advisable during warmer months. If hiking in winter, be prepared for cold, snow, or ice.

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