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Hiking trails & Routes
United States
Connecticut
Lower Connecticut River Valley Planning Region

Air Line State Park Trail

Moderate

3.2

(10)

97

hikers

Air Line State Park Trail

02:24

9.16km

70m

Hiking

Embark on a moderate hike along the Air Line State Park Trail, covering 5.7 miles (9.2 km) with a gentle ascent of 232 feet (71 metres). This route typically takes around 2 hours and 23 minutes to complete. You will find yourself immersed in Connecticut's varied natural beauty, moving through…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

4.59 km

Air Line State Park Trail

Highlight (Segment) • Trail

The Air Line State Park Trail totals over 50 miles of trails and paths connect through a lengthy trail network. Gaps would need to be filled with street and sidewalk …

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9.16 km

End point

Parking

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Way Types & Surfaces

Way Types

9.07 km

< 100 m

Surfaces

9.14 km

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Elevation

Elevation

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Weather

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Today

Friday 10 July

29°C

21°C

35 %

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Max wind speed: 10.0 km/h

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Frequently Asked Questions

What is the terrain like on the Air Line State Park Trail?

The trail, built on a former railroad line, is generally flat with a gentle grade. However, the surface varies significantly. You'll find smooth stone-dust or crushed gravel in some sections, especially the more popular southern parts. Other areas may have a rougher, unfinished surface, and some northern portions still retain the original bumpy rail ballast, which can be more challenging for hikers and cyclists.

Are there any permits or entrance fees required for the Air Line State Park Trail?

No, there are no permits or entrance fees required to access the Air Line State Park Trail. As a state park trail, it is generally open to the public without charge.

Is the Air Line State Park Trail suitable for beginners or families?

Yes, the trail is largely considered easy due to its consistent, gentle grade, making it suitable for family outings and beginners. However, be aware that some sections with rougher surfaces or original rail ballast can be more demanding. Choosing a section with a finished stone-dust surface is recommended for an easier experience.

What kind of scenery can I expect along the trail?

You can expect diverse and scenic views, including dense forests, open meadows, wetlands, and marsh areas. The trail traverses state forests like Mashamoquet Brook, Natchaug, and Goodwin. Notable features include impressive rock cuts and picturesque crossings over rivers like the Blackledge and Jeremy. The Air Line State Park Trail also offers stunning panoramas from historic viaducts.

Are there any notable landmarks or viewpoints along the route?

Absolutely. The trail is famous for its preserved railway structures, including the grand Rapallo and Lyman Viaducts, which offer inspiring vistas of the surrounding hills and forests. You can also find impressive rock cuts and, with a short on-road excursion, the historic Comstock Covered Bridge. The Connecticut Eastern Railroad Museum in Willimantic also adds to the historical appeal.

Is the Air Line State Park Trail dog-friendly?

Yes, the Air Line State Park Trail is dog-friendly. Dogs are generally welcome but should be kept on a leash and owners are expected to clean up after their pets, following standard park regulations.

What is the best time of year to hike the Air Line State Park Trail?

The trail can be enjoyed year-round. Spring offers lush greenery and blooming wildflowers, while autumn provides spectacular fall foliage. Summer is popular for longer days, but can be warm. Winter hiking is possible, especially on cleared sections, offering a different, serene experience. Consider the varying surface conditions when planning, as rougher sections might be more challenging in wet or icy conditions.

Where can I park for the Air Line State Park Trail?

There are numerous access points and parking areas along the extensive length of the trail. Specific trailheads with parking can be found in towns like Lebanon, Colchester, and East Hampton. It's advisable to check local town websites or trail maps for the most convenient parking for your desired section.

Does the Air Line State Park Trail connect to other trails?

Yes, the route is a significant component of the larger East Coast Greenway. It also passes through sections of the Air Line Trail, Air Line Trail Spur, and Portland Air Line Trail Spur, offering opportunities for extended exploration.

Can I bike or horseback ride on the Air Line State Park Trail?

Yes, the Air Line State Park Trail is a multi-use trail enjoyed by hikers, bikers, runners, and horseback riders. Cyclists should be aware of the varying surface conditions; road bikes might struggle on the rougher, original rail ballast sections, while mountain bikes or hybrid bikes are generally more suitable for the entire length.

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