Hills to Sea Trail section descriptions from west to east

Unity Village to Quaker Hill Road (east crossing) - Unity - 3 miles
Relatively flat terrain. The trail passes though the Unity College campus. Look for the metal Hills to Sea yellow confidence markers and blue blazes. Highlights: Sandy Stream bridge and expansive views from Quaker Hill fields. In places there is rough ground and roots.
Difficulty: Easy

Quaker Hill Road to MOFGA Common Ground Education Ctr. - Unity - 3.3 miles
Level to rolling terrain. Sandy Stream crossing has steep banks and may require shallow wading. Use the Mussey Road cut-off route when the stream is impassable due to high water. There is a kiosk and parking at MOFGA. Highlights: Mature forest, views from height of land, Sandy Stream.
Difficulty: Moderate (keep dogs leashed next to Northern Solstice Alpaca Farm)

MOFGA Common Ground Ed. Ctr to Hunter Road trail - Unity -1.8 miles
Walk south on Crosby Brook Rd for 0.5 mile to the Berry Road. Right on Berry Road to Mussey Road, left on Mussey Road to Hunter Road. Trail enters woods 0.3 miles south of intersection of Mussey Road and Town Farm Road. Highlight: Sandy Stream wooden car bridge and quiet country roads.
Difficulty: Easy

Hunter Road to Clark Road - Unity - 4.3 miles
Undulating terrain with minor elevation changes and one stream crossing that during high water may be impassible. Easy, stepping stone crossing most of the time. Highlights: Sandy Stream and Fly Brook, mature forest, Northern white cedar swamp.
Difficulty: Moderate (see website for hunting seasons closure dates)

Clark Road to Stevens Road - Unity - 1.9 miles
On the south side of the Clark Road the trail winds through mature forest and undulating terrain before re-crossing the Clark Road and snaking through a cedar swamp with ample bog bridging. Highlights: Mature forest, Northern white cedar swamp.
Difficulty: Moderate (no dogs allowed on this section)

Stevens Road to Rte 137 - Unity to Knox - 2.1 miles
For 0.9 miles the trail follows the Stevens and Weed roads. It re-enters the woods on the Weed Road and follows Sandy Stream for nearly a mile before reaching Rte 137. The trail continues on the south side of Rte 137 about 150 yards to the west (toward Freedom Village). Highlights: Sandy Stream, mature hemlock forest.
Difficulty: Easy

Rte 137 to Freedom Pond Road - Knox, Freedom, Montville - 1.3 miles
From Rte 137 it is 0.3 mile to the spur trail junction that goes to Freedom General Store in Freedom Village. It is 0.4 mile from the junction to the store where there is a kiosk and parking (note that the trail goes between two houses across from Freedom General Store). Continuing south from the trail junction will bring you to Freedom Pond Road in 1 mile. Highlights: Pleasant forest and views from Springvale Farm fields.
Difficulty: Easy

Freedom Pond Road to Penney Road - Montville - 3.7 miles
The Hills to Sea route follows Midcoast Conservancy's Goose Ridge Trail and meanders through a mix of forest types and ages and climbs 300' over a couple of miles to Goosepecker Ridge. Farm fields along the ridgeline offer captivating views to the northeast. Trail descends steeply along a pipeline corridor before re-entering the woods and intersecting the Penney Road. Highlights: great views, peaceful forest.
Difficulty: Easy to Moderate

Penney Road to Halldale Road - Montville - 4.8 miles
The route follows Midcoast Conservancy Trails on 1,100 acres of conserved land in the Sheepscot River headwaters. Minor elevation changes for the first 2 miles, and then the trail climbs 400', follows the ridgeline of Whitten Hill for 0.5 mile then drops 200' to junction with Halldale Road. At 3.5 miles the route intersects the Whitten Hill Trail. The Whitten Hill Trailhead and parking area is less than 0.2 mile down the trail. Highlights: Pristine headwaters streams and many large white pines and hemlocks.
Difficulty: Moderate (see website for hunting season closure dates)

Halldale Road to Rte 220 - Montville - 3.9 miles
Follows Midcoast Conservancy and Georges River Land Trust trails. Minor elevation changes for first mile and in next mile climb 450’ to top of 1,115’ Hogback Mountain. Steep, winding descent to Rte 220. Highlights: Secluded headwaters stream in mature forest, view to ocean from Hogback Mtn. Park near the entrance to Frye Mountain on the Walker Ridge Road by the building. A 0.3-mile spur trail starting near the kiosk leads to the Georges Highland Path (Hills to Sea Route).
Difficulty: Moderate + (click here for hunting seasons closure dates)

Rte 220 to jeep road SE of Frye Mtn. - Montville to Knox - 5.5 miles
The route follows the Georges Highland Path (GHP) managed by Georges River Land Trust (GRLT) and located within the 5,240 acre state-owned Frye Mountain Wildlife Management Area. For the first 2 miles the trail undulates with little elevation gain and crosses lovely Bartlett Stream and two gravel roads. After the second gravel road the trail ascends quickly to a junction on the SW end of Frye Mountain. Here the Hills to Sea route turns left to follow the ridge while the GHP splits to form a loop around the mountain back to this point. The trail follows the ridge to the 1,122' summit of Frye Mtn. (no views) and then descends gradually over a series of ridges to the northeast, leaving the loop trail before reaching an old jeep road with seasonal parking on the roadside. Highlights: Long section of uninterrupted woods.
Difficulty: Moderate

Frye Mtn. jeep road to Mixer Pond Road kiosk on Rte 137 - Knox - 2.2 miles
Turn left on the jeep road and follow for 0.5 mile, then turn right onto a smaller dirt road. After 0.6 mile the trail leaves the road and in another 0.6 mile reaches Rte 137. Turn right and follow Rte. 137 for 0.2 mile to Mixer Pond Rd. (The Mixer Pond kiosk was removed in 2019.) Highlights: quiet woods on one of the longest sections of trail between paved roads.
Difficulty: Easy (except for some rocky outcrops)

Mixer Pond Road at Rte 137 to Savage Road kiosk ~ Knox to Waldo - 2.3 miles
The trail follows Rte 137 for another 0.7 mile then enters the woods on the south side of Rte 137. A short distance after entering the woods the trail climbs a steep, 100-foot escarpment and in 1.3 miles intersects Rte 131. From Rte 131 the trail follows the Savage Road for 1 mile before re-entering the woods on the left just past a kiosk. Highlights: Quiet woods, beautiful and interesting escarpment and quiet country road.
Difficulty: Easy (escarpment is moderate. In winter the stone stairs can be icy. Use extreme caution!)

Savage Road to Rte 137 (Waterville Road) - Waldo - 3.2 miles
Trail leaves Savage Road on the left, follows the CMP power line, crosses Pendleton Stream on a bridge, and continues uphill through woods onto a dirt road. Trail goes back into the woods before coming out onto the gravel Gurney Hill Road. Turn right onto Rte 137 for 0.5 mile, then right onto Bonne Terre Road for 0.5 mile. Trail leaves road on left and enters the woods. It is another 1.25 miles to the Rte 137 kiosk next to the Waldo County Technical Center. Highlights: Quiet woods and quiet country road.
Difficulty: Easy (dogs must be leashed for last 0.5 mile)

Rte137 (Waterville Road) to Rte 7 (Moosehead Trail) - Waldo - 1.6 miles
Wooded and fairly level; goes past a large beaver pond through hilly woods, left onto a woods road (Poland Road) a short distance then back into the woods. Trail goes through a large recent cut before coming out onto a field and the last few hundred yards to Rte 7 where there is a kiosk and parking on the east side of the road.
Difficulty: Easy

Rte 7 (Moosehead Trail) to City Point Train Station - Waldo to Belfast - 2.5 miles
Trail follows dirt road for 0.5 mile then turns right into a remote wooded stretch of 2 miles through hilly terrain, mossy boulders and a bridge across Marsh Fork to the Central Maine Power substation. Trail crosses E. Waldo Road and it's another 0.3 mile through the woods to Oak Hill Road at City Point Railroad Station where there is a kiosk and parking at the eastern end of the Hills to Sea Trail. The Belfast Rail Trail begins across the street and it's another 2.6 miles to the public wharf at the bottom of Main Street on the Belfast waterfront. Highlights: Quiet woods, beautiful stream.
Difficulty: Easy (dogs must be leashed for first 0.25 mile)