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Maine · Greater Portland & Casco Bay

Hiking in Greater Portland & Casco Bay: find your next outing

One outing. Just the right one.

Compare the 26 hiking trails in Greater Portland & Casco Bay by duration, level and access.

By François Dumaine · updated March 12, 2026

See the trails in Greater Portland & Casco Bay
Hiking in Greater Portland & Casco Bay

Our favourites in Greater Portland & Casco Bay

Three ways to get out there.

See the Top 10

Hiking trails in Greater Portland & Casco Bay

26 trails: our 3 favourites above, then 6 more

Hinckley Park

South Portland

  • 45 min walk
  • 2.4 km
  • Dogs allowed · Check the rules

Deering Oaks

Portland

  • 25 min walk
  • 1.6 km
  • Dogs: to be confirmed

Peaks Island

Portland

  • 2 hr 15 min walk
  • 8.0 km
  • Dogs: to be confirmed

Back Cove Trail

Portland

  • 1 hr 30 min walk
  • 5.6 km
  • Dogs allowed · Check the rules

Before you go

Access & booking

Fees and access conditions are on each trail page.

See the trails

Season & conditions

Trails can close or change with the season: thaw, snow, maintenance. Each trail page links to the site manager, who publishes closures.

Our practical tips

With your dog

Allowed on 9 of our 26 trails, not allowed on 1, to be confirmed for 16 more.

Our practical tips

Counts based on our 26 trails in Greater Portland & Casco Bay; details and sources are on each trail page.

Frequently asked questions

How many hiking trails are there in Greater Portland & Casco Bay?

We list 26: 23 easy, 2 moderate and 1 without a listed level.

Which hike should I start with in Greater Portland & Casco Bay?

Among the 23 easy trails, start with Deering Oaks (1.6 km, 25 min), Brewer Riverwalk (1.6 km, 30 min) and Two Lights State Park (1.6 km, 30 min). Each trail page gives the duration, the level and the access conditions.

Where can I walk with my dog in Greater Portland & Casco Bay?

Dogs are allowed on 9 of our 26 trails, including Raymond Community Forest, Back Cove Trail, Mackworth Island State Park and Bradbury Mountain State Park. They are not allowed on 1: Sebago Lake State Park Campground. For 16 more, the information is not confirmed: check the site's rules.

How do I check conditions before I go?

Each trail page links to the site manager's website (park, municipality, reserve), which publishes closures and rules. During the thaw and after heavy rain, some trails may be closed.

Why hike in Greater Portland & Casco Bay?

Greater Portland and Casco Bay offer an exceptional blend of coastal beauty and forested trails, making this region one of Maine's premier hiking destinations. From rugged ocean cliffs to peaceful woodland paths, the area provides outdoor enthusiasts with diverse landscapes just minutes from urban amenities.

Why Hike in Greater Portland & Casco Bay

This remarkable region showcases Maine's signature coastal ecosystem, where dense pine forests meet dramatic Atlantic shorelines. Hikers can explore pristine islands accessible by ferry, traverse headlands offering panoramic ocean views, and wander through old-growth forests teeming with wildlife. The unique geography of Casco Bay, with its 200+ islands, creates a hiking experience unlike anywhere else on the East Coast.

The area's biodiversity is particularly striking, featuring coastal spruce-fir forests, salt marshes, and rocky intertidal zones. Wildlife enthusiasts may spot harbor seals, ospreys, and various seabirds, while the changing seasons bring spectacular foliage displays and wildflower blooms.

Must-Experience Trails

The region's trail network caters to every hiking preference and skill level. Eastern Promenade Trail offers an accessible waterfront walk with stunning harbor views, perfect for families and casual hikers. For those seeking more challenge, Mackworth Island Trail provides a scenic loop through Audubon sanctuary grounds with excellent birdwatching opportunities.

Fort Gorges Trail combines history with adventure, featuring a ferry ride to a Civil War-era fort on a small island. The Back Cove Trail delivers an urban hiking experience with beautiful bay vistas, while Peaks Island trails offer car-free exploration of Casco Bay's most accessible island community.

Difficulty Levels for Every Hiker

Greater Portland and Casco Bay hiking trails accommodate all experience levels. Beginners can enjoy flat, well-maintained paths along the waterfront and through local parks. Intermediate hikers will find moderate trails with gentle elevation changes and varied terrain. Advanced hikers can tackle more challenging coastal routes with rocky scrambles and longer distances.

Beyond Hiking Adventures

The region's outdoor recreation extends far beyond hiking trails. Sea kayaking through Casco Bay's island-dotted waters provides unique perspectives of the coastline. Cycling enthusiasts can explore the Eastern Trail, while birdwatching opportunities abound in the area's numerous wildlife refuges and coastal habitats.

Winter transforms the landscape for snowshoeing and cross-country skiing, while tide pooling and beach combing offer year-round coastal exploration opportunities.

Planning Your Visit

The optimal hiking season runs from late spring through early fall, with September and October offering spectacular foliage displays. Summer provides the warmest weather but also the largest crowds. Ferry schedules to island destinations vary seasonally, so advance planning is essential.

Essential gear includes sturdy hiking boots with good traction for rocky coastal terrain, layers for changing weather conditions, and sun protection for exposed coastal sections. Many trails are accessible via public transportation, making Greater Portland and Casco Bay an ideal destination for car-free outdoor adventures.

Keep exploring

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