Gillette Castle State Park
Gillette Castle State Park
5.0
(4)
55
hikers
23
hikes
Hiking in Gillette Castle State Park follows trails set on the former route of a narrow-gauge railroad. The park is situated on a hill in the "Seven Sisters" chain, providing scenic views over the Connecticut River. The routes wind through woodlands and incorporate historic features like stone-arch bridges and a train tunnel.
Last updated: May 26, 2026
6
hikers
3.56km
01:00
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.20km
01:28
120m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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2.39km
00:39
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
1.43km
00:24
0m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
1
hikers
11.4km
03:08
170m
240m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Popular around Gillette Castle State Park
This information center houses, among other things, the Garden Railway's steam locomotive.
3
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Since there were no refrigerators at that time, such cellars were built and filled with fresh ice every year.
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A lake, an old quarry, the picturesque castle in the background. If that isn't a brilliant setting for a picnic...
3
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The blue water, bright sunshine, white boats on the river... There's no point in writing, you have to see it to be believed.
3
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Nice view of the ferry and the river
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Most trails in the park are considered easy and suitable for a wide range of fitness levels. The paths largely follow the gentle gradients of William Gillette's former narrow-gauge railroad, making for a pleasant walk. While most routes are easy, you can find some with a bit more elevation, like the moderate Machimoodus State Park loop nearby.
Yes, the park is very family-friendly. The trails are generally easy and feature exciting elements for kids, like stone-arch bridges and a 75-foot train tunnel. The View of the Connecticut River – Gillette Castle loop is a great option, offering a relatively short walk with rewarding views and a chance to see the castle.
Yes, dogs are welcome on the hiking trails at Gillette Castle State Park, but they must be kept on a leash at all times. Please be sure to clean up after your pet to help keep the park beautiful for everyone.
The park's position atop one of the "Seven Sisters" hills provides several scenic overlooks with excellent views of the Connecticut River. Many trails offer glimpses of the water, but for a route that specifically highlights these vistas, consider the Gillette Castle – View of the Connecticut River loop, which starts near the historic ferry landing.
The trails have a unique history, as they are built on the path of William Gillette's private three-mile-long narrow-gauge railroad. As you hike, you are walking the same route where Gillette once gave train rides to guests like Albert Einstein. You'll pass by original railroad features, including trestles and a tunnel.
Yes, there is free parking available at Gillette Castle State Park. The main parking area is located near the Visitor Center and the castle itself, providing convenient access to the trailheads.
The park's trail system is well-suited for loop hikes. Most of the popular routes are circular, allowing you to start and end at the same point without retracing your steps. For a longer loop that explores the surrounding woodlands, the Book Hill loop from Deep River is a great choice.
While direct public bus or train service to the park is limited, you can incorporate a unique journey by using the historic Chester-Hadlyme Ferry. It operates seasonally (typically April through November) across the Connecticut River. A trail leads from the park down to the ferry landing, allowing you to combine a hike with a scenic boat ride.
Gillette Castle State Park itself is not known for waterfalls. However, the nearby and very popular Devil's Hopyard State Park features the impressive 60-foot Chapman Falls, which is a major attraction for visitors to the region.
The trails are full of interesting man-made and natural sights. Be sure to look for the stone-arch bridges and the impressive train tunnel. You can also find Gillette's Goldfish Pond, scenic river overlooks, and a 'Tree Walk' created by the East Haddam Garden Club. A quieter trail to a viewpoint is the Mount Tom loop from Salmon River Division.
The komoot community has rated the routes in Gillette Castle State Park with an average of 3.0 stars. Hikers often enjoy the unique combination of history and nature, praising the gentle paths that follow the old railroad line and the beautiful views over the river.
The park grounds are open year-round from 8 a.m. to sunset, and each season offers a different experience. Spring brings blooming flora, summer offers lush green canopy, and autumn provides spectacular fall foliage along the Connecticut River. Winter hikes can be beautiful as well, but be prepared for icy conditions on the trails.


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