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From US-1, turn onto Milford Road (Grand Lake Stream Road) and travel 10.2 miles to the village of Grand Lake Stream. Staying on Milford Road, cross the bridge over the stream, and turn right onto Shaw Street. Travel 0.2 miles on Shaw Street and park in the Grand Lake Stream Dam parking lot, at the outlet of West Grand Lake.

The trailhead is located 0.5 miles from the parking lot. Heading east, cross the dam, enter the woods at Grand Lake Lodge's driveway and follow the Amazon Snowmobile Trail up to the Fire Tower. Continue 100 yards and turn right onto the Tower Hill Trail. The trail ends on Bonney Brook Road, next to Bonney Brook Lake, roughly 1.1 miles from the start.


Built in 1934, the Grand Lake Stream Fire Tower is the oldest standing wooden fire tower in Maine. Formerly used to monitor wildfires, the tower is an important part of the history of the village, but the views have mostly grown in. DO NOT attempt to climb the tower, due to structural and safety issues.

From the tower, the trail heads east, descending down the backside of Tower Hill through mixed woodlands. Follow the blue, circular metal trail tags. The single-track trail passes over short sets of bog bridging, through a forested cedar wetland - a great place to find many different species of fungi! Continuing up along a hardwood ridge, keep an eye out for wildlife. Deer, bobcat, snowshoe hare, squirrels, and many types of birds are commonly seen. Descend the steep switchbacks and drop down to Bonney Brook Road. The trail ends here - double back to the trailhead or spend some time exploring the shoreline of Bonney Brook Lake (located across the road from the end of the trail). Please stay on the trail, and carry out any refuse you bring in. Overnight camping is not permitted.

Other Information

Downeast Lakes Land Trust (DLLT) is a nonprofit founded in 2001 by local residents in Grand Lake Stream, Maine. We contribute to the long-term economic and environmental well-being of the Downeast Lakes region through the conservation and exemplary management of its forests and waters. In 2001 we laid out our strategy for the future – a bold vision to protect extraordinary natural resources and a way of life. Many supporters and partners have helped us succeed in protecting 350,000 acres of the forests, wildlife habitats, watersheds, and lake shores that can sustain the regions future. DLLT sustainably manages the 55,678-acre Downeast Lakes Community Forest, with 90 miles of lake shore, for wildlife habitat, forest products, and public recreation.

LMF Logo

This trail passes through a property that was acquired in part with funds from the Land for Maine’s Future program. For more information about the LMF program and the places it has helped to protect, please visit the LMF webpage.

Downeast Phenology Trail

While visiting this beautiful trail take part in our scientific research project: Phenology Trackers of Maine (PhToM). Millions of songbirds migrate south every fall along the northeast coastline. To get from here to there they need stopovers to refuel on fruits and insects. This hiking trail is one of those stopover locations.

As the climate changes, temperatures are going up. And as things heat up, fruits ripen and insects emerge earlier and earlier. But, birds are migrating south later and later. Will there be any fruits or insects left for the birds when they fly through our region? You can help us answer this question--check out our project website before you go for your hike.

Schoodic Institute is an independent 501c3 nonprofit organization committed to advancing ecosystem science and learning for all ages through a unique partnership with Acadia National Park. Schoodic Institute and Acadia National Park are national leaders in the development of new techniques to involve the public in science, education and conservation.

Trail Manager

Visit the Downeast Lakes Land Trust online for more information or contact:

Downeast Lakes Land Trust
4 Water Street
Grand Lake Stream, ME 04668
Phone: (207) 796-2100


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Nearby Geocaches


Check for nearby geocaches to Tower Hill Trail.

Leave No Trace Principle

Respect Wildlife

Avoid unwanted animal guests: store your food and trash securely and keep your camp clean of crumbs and spills.