From towering 4,000-foot peaks to picturesque coastal escapes, Maine's hiking destinations offer adventures for every skill level. No matter your skill level, Maine’s trails promise an unforgettable experience, making the state a must-visit destination for hiking, trekking, serenity, and nature exploration. What are the Best Hiking Trails Outside of Baxter and Acadia? But there was one catch: we omitted every trail from Maine’s two most well-known locations—Acadia National Park and Baxter State Park. 10 Of Maine's Most Beautiful Lesser-Known Hiking Trails Everyone knows about the incredible hiking trails in Acadia National Park and Baxter State Park, but Maine has so much more to offer.