Knowing where you can legally bring your dog matters more than reviews suggest. National parks ban dogs from most trails outright; national forests and state parks vary by location. We filtered the 9,551 mapped Maine trails to only those where the trail's data explicitly allows dogs (leashed or otherwise), then ranked by length and difficulty to surface the routes most dogs and most owners will enjoy. Always carry a leash, water, and waste bags — and check the trailhead sign for current rules.
Maine's coast is famously rocky and indented; the interior holds the Mahoosucs, the Bigelow Range, and Mount Katahdin — the northern terminus of the Appalachian Trail. Acadia carriage roads, Camden Hills, and dozens of coastal state parks offer gentle, scenic introductions. Dog access in the US varies by land manager: federal national parks usually restrict dogs to paved areas, while national forests, BLM lands, and many state parks welcome leashed dogs on trail.
Our rankings here are data-driven — pulled from the 9,551 mapped entries OutsideAtlas tracks in Maine — but the data has limits worth being honest about. We surface trails where the OpenStreetMap `dog` tag is explicitly set to yes, leashed, or permissive. Many genuinely dog-friendly trails are missing this tag and won't appear; conversely, leash rules can change seasonally with wildlife management. Always verify at the trailhead.
The Ranking
Ranked from #1 to #10. Click through any entry for the full trail page — map, elevation profile, weather forecast, and direct OpenStreetMap source link.
#1. Access trail
Access trail near Brunswick in Cumberland County is one of the better-tagged dog-friendly hikes in Maine, landing at #1. Expect earth surface on a forgiving grade. Local trail-association reports tend to agree this is one of the better-maintained options in the area, which matters more on a hike of this length than on a quick walk. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Access trail trail page →Map, elevation profile, current weather, and OSM source.#2. Access trail
Access trail near Brunswick in Cumberland County is one of the better-tagged dog-friendly hikes in Maine, landing at #2. Expect earth surface on a forgiving grade. The route is well documented in OpenStreetMap, which is what put it on our radar — community-mapped routes tend to be the ones that get hiked enough to stay open. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Access trail trail page →Map, elevation profile, current weather, and OSM source.#3. Access trail
Access trail near Brunswick in Cumberland County is one of the better-tagged dog-friendly hikes in Maine, landing at #3. Expect wood surface on a forgiving grade. It earns its ranking on the data, but trail conditions can change quickly after storms or fire seasons, so verify before you commit a full day. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Access trail trail page →Map, elevation profile, current weather, and OSM source.#4. Arrowhead Trail
Arrowhead Trail near Brunswick in Cumberland County is one of the better-tagged dog-friendly hikes in Maine, landing at #4. Expect dirt surface on a forgiving grade. Compared to similar trails in Maine, this route trades difficulty for either solitude or scenery — sometimes both. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Arrowhead Trail trail page →Map, elevation profile, current weather, and OSM source.#5. Bar Island Trail
Bar Island Trail near Bar Harbor in Hancock County is one of the better-tagged dog-friendly hikes in Maine, landing at #5. Expect gravel surface on a forgiving grade. What makes this one earn its spot on the list is the combination of mapped detail and the kind of through-and-through experience that justifies a longer drive. A gravel-and-dirt tread holds up well after rain, though loose surface on descents calls for trekking poles or careful footing. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Bar Island Trail trail page →Map, elevation profile, current weather, and OSM source.#6. Bar Island Trail
Bar Island Trail near Bar Harbor in Hancock County is one of the better-tagged dog-friendly hikes in Maine, landing at #6. Expect gravel surface on a forgiving grade. Local trail-association reports tend to agree this is one of the better-maintained options in the area, which matters more on a hike of this length than on a quick walk. A gravel-and-dirt tread holds up well after rain, though loose surface on descents calls for trekking poles or careful footing. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Bar Island Trail trail page →Map, elevation profile, current weather, and OSM source.#7. Barred Owl Trail
Barred Owl Trail near York in York County is one of the better-tagged dog-friendly hikes in Maine, landing at #7. Expect ground surface on a forgiving grade. The route is well documented in OpenStreetMap, which is what put it on our radar — community-mapped routes tend to be the ones that get hiked enough to stay open. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Barred Owl Trail trail page →Map, elevation profile, current weather, and OSM source.#8. Beaver Trail
Beaver Trail near Cape Neddick in York County is one of the better-tagged dog-friendly hikes in Maine, landing at #8. Tagged easy in OpenStreetMap. It earns its ranking on the data, but trail conditions can change quickly after storms or fire seasons, so verify before you commit a full day. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Beaver Trail trail page →Map, elevation profile, current weather, and OSM source.#9. Beechnut Loop
Beechnut Loop near West Bethel in Oxford County is one of the better-tagged dog-friendly hikes in Maine, landing at #9. Expect ground surface on a forgiving grade. Compared to similar trails in Maine, this route trades difficulty for either solitude or scenery — sometimes both. The natural-surface tread can get slick after rain and muddy in spring — pick a dry weather window if you have the flexibility. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Beechnut Loop trail page →Map, elevation profile, current weather, and OSM source.#10. Big A
Big A near Cape Neddick in York County is one of the better-tagged dog-friendly hikes in Maine, landing at #10. Expect fine_gravel surface on a forgiving grade. What makes this one earn its spot on the list is the combination of mapped detail and the kind of through-and-through experience that justifies a longer drive. A gravel-and-dirt tread holds up well after rain, though loose surface on descents calls for trekking poles or careful footing. Pack 2x more water than you think the dog needs in heat, plus a collapsible bowl. Hot pavement and exposed rock can burn paw pads in minutes. See full trail details, map, and current weather on OutsideAtlas for the most current information.
Open the Big A trail page →Map, elevation profile, current weather, and OSM source.Planning your Maine trip
A few pieces of context are worth keeping in mind specifically for Maine. Mid-June through early October — black flies in June, prime weather in late July and August, foliage in early October. Hypothermia in shoulder seasons, blowdown after windstorms, and rapidly changing weather on Katahdin's exposed Tablelands.
Always cross-reference the official land-manager page before driving out — closures, fire restrictions, and seasonal road access can change quickly. Our trail pages link directly back to the OpenStreetMap source so you can see the tags we're working from.
If you're new to hiking generally, our beginner's guide covers footwear, layering, and the day-pack basics. For safety planning on bigger objectives, the ten essentials guide is worth twenty minutes of reading.
More Maine hiking guides
If you found this useful, the rest of our Maine coverage continues below.
- Top 10 longest trails in Maine — Multi-day routes and through-hikes ranked by distance.
- Steepest trails in Maine — Hikes with the most elevation gain in the state.
- Best beginner hikes in Maine — Easy, well-marked trails for first-time hikers.
- Most challenging hikes in Maine — Expert-rated routes for experienced hikers only.
- Best national parks in Maine — Federal parks and recreation areas ranked.
- Best waterfall hikes in Maine — Trails leading to named falls, ranked by accessibility.
- Best family hikes in Maine — Short, easy trails sized for kids and grandparents.
Rankings like this are starting points, not verdicts. Trail conditions change, new routes get tagged, and what was the toughest trail in Maine last year might not be next year. We refresh these articles when the underlying data shifts meaningfully.
Got a correction, a route we missed, or a question? Drop us a note via the contact page. We read every email and we'd rather hear it from you than miss it.
