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Routes
Hiking trails & Routes
United States
Maine
Waldo County

Hills to Sea Trail

Moderate

4.8

(2106)

6,110

hikers

Hills to Sea Trail

02:30

9.46km

90m

Hiking

The Hills to Sea Trail provides a moderate hiking experience, guiding you through 5.9 miles (9.5 km) of varied landscapes. You'll encounter a gentle elevation gain of 296 feet (90 metres), with most hikers completing the route in about 2 hours and 30 minutes. As you walk, the path winds…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

577 m

Hills to Sea Trail (East Waldo Road to Moosehead Trail)

Highlight (Segment) • Trail

The Hills to Sea Trail runs from Unity to Belfast. It is well maintained and well signed for the entire length of the trail. This end near Belfast is single track that winds through the woods.

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B

9.46 km

End point

Parking

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Way Types & Surfaces

Way Types

9.39 km

< 100 m

Surfaces

9.20 km

148 m

< 100 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Today

Friday 5 June

28°C

13°C

37 %

Additional weather tips

Max wind speed: 15.0 km/h

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Frequently Asked Questions

What kind of terrain and scenery can I expect on the Hills to Sea Trail?

The trail offers a diverse experience, traversing fields, working farms, and extensive woodlands, including mature and second-growth forests. You'll encounter numerous streams, wetlands with bog bridging, and sections along dirt or paved country roads. Expect views of farm fields, small hills, beaver ponds, and historic stone walls. From Hogback Mountain, you might even catch glimpses of the ocean.

Is the trail suitable for beginners or families?

The overall difficulty of the Hills to Sea Trail ranges from easy to moderate, with many sections featuring relatively flat or rolling terrain, making it suitable for beginners and families. However, there are portions with moderate inclines and undulating terrain. The sections around Frye Mountain and Goose Ridge are considered more challenging due to length and significant elevation changes.

What is the best time of year to hike this trail?

The trail is generally open from January 1 until late September. Some sections may close during deer hunting seasons, so it's always a good idea to check local advisories. Spring, summer, and early fall offer pleasant conditions for hiking, with diverse plant life and wildlife viewing opportunities.

Are there any specific highlights or viewpoints along the route?

Yes, a notable section is the Hills to Sea Trail (East Waldo Road to Moosehead Trail). From Hogback Mountain, you can often enjoy views that extend all the way to the ocean. The trail itself is a highlight, connecting communities and showcasing Maine's natural and working landscapes.

Is the Hills to Sea Trail dog-friendly?

While the trail crosses private land, it is generally considered dog-friendly. However, always keep your dog on a leash, especially when passing through working farms or near wildlife, and ensure you clean up after them. Respect private property rules and any posted signage.

Do I need a permit or pay an entrance fee for this trail?

No, you do not need a permit or have to pay an entrance fee to hike the Hills to Sea Trail. The trail relies on the generosity of over 60 private landowners who grant permission for it to cross their properties.

Can I camp along the Hills to Sea Trail?

Camping is generally not allowed directly on the trail itself, as much of it crosses private land. However, various parking areas along the route enable hikers to complete sections at a time, allowing for day trips or multi-day section hikes with off-trail accommodation.

How well is the trail marked?

The Hills to Sea Trail is well-maintained and clearly marked. You can expect to see blue blazes and distinctive yellow "Hills to Sea" logo signs guiding your way along the path.

What kind of wildlife might I see on the trail?

The trail offers a "window into nature and wildness," providing opportunities to observe various wildlife, birds, and diverse plant life. Keep an eye out for common forest animals, various bird species, and the unique flora of Maine's woodlands and wetlands.

Are there any sections of the trail that are particularly challenging?

While much of the trail is easy to moderate, the section around Frye Mountain is considered more difficult due to its length and significant elevation changes. Similarly, the Goose Ridge trail, which includes Stevenson and Whitten Hills, and Hogback and Frye Mountains, presents slow and winding climbs.

Where can I park to access the Hills to Sea Trail?

The trail has various parking areas along its 47-mile length, allowing hikers to access different sections. Specific parking locations would depend on which part of the trail you plan to hike. It's advisable to consult a detailed map or local resources for the most convenient access points.

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