Plenty of bike trails are available for a Maine biking expedition

Biking in Maine, whether on the roads or on wooded trails, is a great sport done in beautiful surroundings

Total Length: 80 Miles

The National East Coast Greenway is a 3,000-mile biking trail connecting towns from the Canadian border at Calais, Maine, to Key West, Florida. The East Coast Greenway route in Maine is about 400 miles, passing along Down East blueberry barrens to Canadian Maritimes. Here are some of the loops within the Greenway. All the rides listed below are described as moderate to difficult terrain for intermediate and experienced cyclists.
Eastern Trail from Kittery to South Portland. 68 miles. The Eastern Trail connects Bug Light Park on Casco Bay in South Portland with Strawbery Banke in Portsmouth, NH.
Casco Bay from South Portland to Brunswick. 35 miles. This pleasant 35-mile ride takes cyclists from Portland’s historic waterfront to nearby suburban towns, including Falmouth, Yarmouth, Freeport and Brunswick, and the quiet countryside along Maine’s coastline.
Coastal Route from Brunswick to Belfast to Bucksport. 125 miles. This seaside ride takes cyclists from Midcoast to Downeast Maine, with views of Maine’s rocky coast
River Route from Brunswick to Bangor to Bucksport. 160 miles. On this inland route, cyclists explore three river valleys and the state capital.
Downeast Route & Downeast Sunrise Trail from Bucksport to Calais. 140 miles. This trail runs along the entire Downeast coastal area, connecting conservation areas and passing two scenic byways. This unique off-road rail trail connects Ellsworth with Ayers Junction, south of Moosehead National Wildlife Refuge. Watch for moose and beavers. Details of trails and loop rides.

Total Length: 45 Miles

45 miles of historic carriage roads donated by the Rockefeller family weave around the mountains and valleys through the heart of Acadia National Park. The roads have crushed rock surfaces perfect for bicycling. Cyclists share the carriage roads with horses and pedestrians, enjoying sweeping vistas and close-up views of one of America’s most breathtaking landscapes.
Click here for a Trail Map (PDF)

Total Length: 30 Miles

The Down East Sunrise Trail is preserving 85 miles of rail corridor for future use by snowmobilers, ATV-ers, pedestrians, bicyclists, cross country skiers, equestrians and walkers. Now, 30 miles of multi-use trail is open for permanent year-round use from Machias, east to Ayers Junction (except for mud season). The remainder of the trail from Machias west to Washington Junction will be opened in phases.
Trail map.

Trailheads at Elm Street and Casco Bay end of Marginal Way Portland, ME Phone:

This 1-mile trail is a flat, paved surface through the Bayside and East Bayside neighborhoods. It extends at the south end from Elm Street between Somerset Street and Marginal Way and parallels Marginal Way, linking with the East Promenade and the Back Cove Trails near the highway overpass where Route 1 crosses Back Cove. There are several benches and three water fountains. Trail is good for walkers, runners, and bicyclists.

Length: One 6-mile piece in Standish and another 4-mile piece in Fryeburg

Plans call for the Mountain Division Trail to ultimately cover 52 miles between Fryeburg and Portland. Two sections of the trail are open now. A 6-mile segment between Standish and South Windham provides a gently rolling ride in the Sebago Lake watershed area, northwest of Portland. The second leg, in Fryeburg, begins not far from the Maine–New Hampshire border and travels 4 miles along the railroad right-of-way. To get onto the southern segment, start from the western trailhead at Johnson Field in Standish. To get onto the shorter northern segment, start from the Maine State Visitor Information Center at 97 Main Street in Fryeburg. The paved trail ends near the small regional airport and the Brownfield town line.