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Hiking in Sebago to the Sea Trail: trails, map and practical info

Greater Portland & Casco Bay • Maine

4.2 Appreciated by 9 hikers
François Dumaine
By François DumaineContributor since 2022Updated 29/05/2026
Difficulty
Moderate
Distance
47 km
Elevation
70 ft
Duration
12h

Connect inland lake country to coastal tidal waters on this 47 km trail through Greater Portland & Casco Bay. A moderate, 12-hour multi-day hike with minimal elevation gain, the Sebago to the Sea Trail traces the Presumpscot River through Maine's diverse forests, offering rare variety in terrain and wildlife from lake to sea.

Recommended for :
Intermediate hikers

Ready to explore Sebago to the Sea Trail? Here's everything you need to know before you go!

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Trail description

Description

The Sebago to the Sea Trail cuts a remarkable 47-kilometer path through some of Maine's most diverse landscapes, connecting the crystal-clear waters of Sebago Lake with the tidal reaches of Casco Bay. This multi-day hiking experience showcases the best of southern Maine's natural heritage, taking you from inland lake country through working forests, alongside rushing rivers, and into coastal communities where salt air mingles with pine.

What sets this trail apart in the Greater Portland & Casco Bay region is its incredible variety of terrain packed into a manageable distance. You'll start your journey at Sebago Lake's sandy shores, where the water stretches to distant hills and loons call across the morning mist. From there, the trail winds through dense mixed forests of white pine, oak, and maple, following old logging roads and single-track paths that reveal Maine's deep woods character.

The route traces several waterways as it makes its eastward journey toward the coast. You'll walk alongside the Presumpscot River for significant stretches, where the sound of flowing water becomes your constant companion. These riverside sections offer some of the trail's most peaceful moments, with opportunities to spot great blue herons, kingfishers, and the occasional beaver. The forest canopy opens and closes as you move between mature stands and younger growth areas, creating an ever-changing backdrop for your hike.

Trail Experience and Terrain

With only 70 meters of elevation gain spread across the entire 47-kilometer distance, the Sebago to the Sea Trail offers a remarkably gentle hiking experience that focuses on endurance rather than technical climbing. The modest elevation changes mean you'll encounter rolling terrain rather than steep ascents, making this an excellent choice for hikers who want to cover significant distance without the challenge of major climbs.

The trail surface varies considerably as you progress from lake to sea. Early sections feature well-maintained dirt paths and occasional boardwalks through wetland areas. As you move through the middle portions, expect some rocky sections and root-crossed paths typical of Maine's forested trails. The final approaches toward Casco Bay include some paved sections as the trail passes through more developed areas.

Well-marked paths throughout the route mean navigation stays straightforward, allowing you to focus on the scenery rather than constantly checking your map. Trail blazes and occasional interpretive signs help orient you and provide context about the landscapes you're experiencing. The gentle grade makes this trail accessible to hikers of varying fitness levels, though the distance still demands good preparation and pacing.

Wildlife and Natural Features

The trail's diverse habitats support an impressive variety of wildlife that changes as you move from inland to coastal environments. In the forested sections, watch for white-tailed deer, red squirrels, and chipmunks. The mixed woodlands host numerous bird species including woodpeckers, nuthatches, and seasonal warblers that fill the canopy with song during spring and summer months.

Birdwatchers will find the riverside portions particularly rewarding. Great blue herons stalk the shallows while belted kingfishers rattle from overhanging branches. Osprey nest in tall snags near the water, and you might catch sight of these impressive fish hawks diving for their prey. As you approach the tidal waters near Casco Bay, the bird life shifts to include gulls, cormorants, and other coastal species.

The vibrant flora changes with the seasons and terrain. Spring brings wildflowers to the forest floor, including trilliums, lady slippers, and wood anemones. Summer showcases the full green canopy of Maine's mixed forests, while fall transforms the deciduous trees into brilliant displays of red, orange, and gold. Even winter hiking reveals the stark beauty of snow-laden evergreens and ice-decorated streams.

Planning Your Multi-Day Adventure

Most hikers tackle the Sebago to the Sea Trail as a multi-day journey, with the 47-kilometer distance typically divided into manageable daily segments. The moderate difficulty rating reflects the trail's accessibility, though the length still requires proper planning and preparation. Daily hiking segments can be adjusted based on your fitness level and available accommodations along the route.

The trail passes through several charming rural communities where you can resupply or arrange overnight accommodations. These small Maine towns offer glimpses into local life and provide convenient break points for your journey. Some hikers choose to stay in local inns or bed-and-breakfasts, while others prefer camping options where available.

Water sources appear regularly along the route, particularly during the riverside sections, though you should always treat or filter water from natural sources. The varied terrain means you'll want sturdy hiking boots with good tread for the occasional rocky or root-covered sections, though the generally moderate difficulty doesn't require specialized mountaineering gear.

Seasonal Considerations and Trail Conditions

Each season offers a different perspective on the Sebago to the Sea Trail experience. Summer provides the most reliable weather and longest daylight hours, making it ideal for first-time visitors. The full leaf canopy creates cool, shaded walking conditions even on warm days. Fall hiking rewards you with spectacular foliage displays, though you'll want to plan around hunting seasons in some areas.

Spring can be muddy as the ground thaws and snow melts, but it also brings migrating birds and emerging wildflowers. Winter hiking is possible for experienced cold-weather hikers, though the multi-day nature of the trail requires careful planning for shorter daylight hours and potentially challenging weather conditions.

The trail's gentle elevation profile and well-maintained paths make it an excellent introduction to long-distance hiking in Maine. Whether you're a seasoned hiker looking for a manageable adventure or someone stepping up from day hikes to overnight trips, the Sebago to the Sea Trail provides an immersive experience in Maine's natural heritage without overwhelming technical challenges. The journey from freshwater lake to saltwater bay captures the essence of Maine's diverse landscapes in a single, unforgettable hiking experience.

Ready to go?

Everything you need to know before you go

Where?

Address
47-57 Main St, Windham, ME 04062, USA
GPS coordinates
43.7377136, -70.4240353
Phone
(207) 844-0114

Starting Point

The sebago to the sea trail is located in Sebago, Maine. To get to the start of the trails, take exit 48 from I-95 and head east on Route 302. The trailhead will be on your left.

When?

Opening hours
Monday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours
Varies by season
Best season
Fall
Spectacular colors
Best time
Early morning
Less crowded
Weather (next days)
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How much?

Entry fees
Adult
Not available
Child
What to bring?
Gear
  • Hiking shoes Essential
  • Layered clothing Essential
  • Rain jacket Essential
  • Trekking poles
  • Headlamp
Download the PDF checklist
Water & food
2L minimum
No water point on the trail
Bring energy snacks for a 4h+ hike
Good to know
Park rules
No dogs
Safety
Download the GPX before you go
Limited cellular coverage on the trail
Slippery after rain
Be careful on rocky sections
In an emergency
Emergency
911
Parking GPS
43.7377136, -70.4240353
Center
(207) 844-0114

Hikers' opinions

4.2
5 Reviews
M
Michael
Nov 22, 2025
This multi-day trek from Sebago to the sea is an excellent choice for hikers seeking variety. The moderate difficulty with only 70 meters of elevation gain makes it accessible for those with decent fitness levels. The journey showcases Maine's diverse landscapes, transitioning beautifully from inland forests to coastal scenery. Budget for parking and trail access fees beforehand, as these are required. The absence of dogs on the trail creates a serene environment perfect for wildlife observation and nature photography.
S
Sarah
Aug 14, 2025
Absolutely stunning experience completing this 47-kilometer adventure over several days. The gentle elevation profile makes it manageable for intermediate hikers, and the transition from forest to coastal views is breathtaking. Access via Route 302 near I-95 exit 48 is straightforward. While fees apply for parking and trail use, the experience justifies the cost. The peaceful atmosphere without dogs creates ideal conditions for connecting with Maine's natural beauty and enjoying uninterrupted hiking.
J
James
May 9, 2025
The Sebago to the Sea Trail offers decent scenery and manageable terrain for a moderate hike. The 47-kilometer distance is well-suited for a multi-day adventure, with minimal elevation challenges. However, the required fees for parking and access can add up, so plan your budget accordingly. The trail itself is pleasant with good variety in landscapes, though some sections felt less maintained than expected. Overall, it's a solid choice for those seeking a coastal Maine experience without extreme difficulty.
E
Emma
Feb 28, 2025
This trail delivers a wonderful multi-day hiking experience combining inland and coastal Maine scenery. The moderate difficulty rating is accurate, with the 70-meter elevation gain spread nicely across the full distance, making it accessible for most hikers with basic conditioning. The dog-free policy ensures a tranquil atmosphere for nature lovers. Just remember that parking and trail access require payment, so factor these costs into your planning. The journey from Sebago to the sea is genuinely rewarding.
TE
Trail Explorer
Jan 15, 2024
Completed this multi-day adventure from Sebago to the sea and it was absolutely worth the effort. The 70m elevation gain is manageable spread across the 4-5 day journey, making it accessible for most hikers with basic fitness. The trail offers diverse Maine landscapes from inland forests to coastal views. Access from Route 302 off I-95 exit 48 is straightforward. Note that parking and trail access require fees, so budget accordingly. Dogs aren't permitted which keeps the trail peaceful for wildlife viewing.

FAQ - Frequently asked questions

Everything you need to know
Moderate
70.00
Monday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours
12h
No
No
The Sebago to the Sea Trail is rated as Moderate in difficulty. This makes it suitable for hikers with some experience, though it remains accessible to those with a reasonable fitness level.
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Update : June 2026