Hike the Mill River Trail to the Blue Trail at Sleeping Giant SP

Tower Path Trailhead - Search Nearby - Added by Shannon Kalahan

The Sleeping Giant – two miles of traprock ridge line resembling a person napping – is a popular feature of South-Central Connecticut skyline.  Although it reaches a maximum height of only 738 feet, the park offers an almost 360 degree view and many recreational activities.

Since I was a child, I’ve always enjoyed hiking the Giant. As Connecticut parks go, this terrain is some of the most challenging (and unfortunately, the most dangerous) in the state. The actual ridge is approximately 2.75 miles long by 1.75 miles wide, and offers approximately 24 miles of hiking trails, from hard, steep climbs all the way to leisurely strolls. The park also has horse friendly trails, skiing trails, fishing, bird-watching and in 2007, re-instated rock-climbing (with care, please!). There are picnic areas and some youth camping allowed with permit only.

Most days I combine several of the more difficult trails to challenge myself, if not in distance, then in rapid elevation gain. My favorite combination is the violet trail (the trailhead for the violet trail is to the left by the river from the parking lot), which follows the Mill River to the old traprock quarry cliffs and mining ruins, where you then pick up the red trail briefly on your way to the blue trail. The blue trail follows the quarry edge with steady elevation gain along open rock face. If you aren’t comfortable with rock scramble, or heights, the blue trail is not for you!

Eventually, the blue trail crosses the tower trail and you have the option to pick up an easier trail if needed. Both the tower and the blue trail lead to a stone viewing tower (“The Castle”) on the Giant’s hip. The Castle is a nice spot to take in the view on a clear day.

Most people use the tower as a turn-around point. Typically, if I still have the energy I'll do an out-and-back along some combination of the violet-red-blue trails (they all cross at different points and end in the same general area), but if I've tuckered myself out on the way up, I'll turn this into a loop instead and take the tower trail down. Think of it as a choose your own adventure!

For the ambitious hikers, the blue trail does continue along the remainder of the ridge, ending several miles away on the same road as the main entrance. The total distance for the entire blue trail is 5.1 miles. The approximate total distance for most loop options is about 3 miles.

Beyond the recreational enjoyment, the Giant is known for its unique microclimate ecosystems, which support several plant and animal species that are state-listed or globally rare. This includes some seasonal raptor species.

Distance

3 Miles RT

Elevation Gain

518 ft Gain

Type

Loop

Activities

Photography, Hiking

Bathrooms
Dog Friendly
Easy Parking
Family Friendly
Forest
River
Wildlife

Nearby Lodging

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Meadow Ridge Farm

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Niantic / I-95 Exit 72 KOA

East Lyme, Connecticut

We want to acknowledge and thank the past, present, and future generations of all Native Nations and Indigenous Peoples whose ancestral lands we travel, explore, and play on. Always practice Leave No Trace ethics on your adventures and follow local regulations. Please explore responsibly!

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A CT Must Do

It seems as though most people who know about Sleeping Giant State Park, have been going there for years. Having attended Quinnipiac University I wandered the trails in the park for 4 years and it never got old. Shannon is right in that there are so many different trails combinations you can put together varying in difficulty. If you are ever in the area make it a point to stop in and explore.

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