Section Hikers Backpacking Blog: Exhaustive, authoritative guide to gear, hikes, and tricks/tips. Outstanding.
Maineiac Outdoors: Fantastic Maine hiking ideas by Carey Kish, the editor of the Maine Mountain Guide.
Acting Out With Aislinn: Great articles and hike reviews/ideas from Aislinn Sarnacki at the Bangor Daily News.
AllTrails: Mapping and navigation application for hiking, mountain biking, and more. I use the Pro edition, for a small fee, to navigate and download maps offline, where cellular service is non-existent.
AMC Maine: America’s oldest conservation and recreation organization.The Maine Chapter of the AMC was founded in 1956 as the Portland chapter. Today, the Chapter has more than 5,300 members and is active throughout the state of Maine. It advocates strong conservation efforts within Maine and offers its members a full range of programs and activities.
Maine By Foot: Comprehensive guide of Maine trails and walks, searchable by multiple categories, with maps and helpful information.
Maine Land Trust Network: Map of Maine’s 84 non-profit land conservation organizations.
Maine Outdoor Adventure Club: MOAC is an all-volunteer member organization with trips and activities from beginner to expert. Join MOAC to challenge yourself, share your outdoor skills and meet other outdoor adventurers!
Maine State Parks and Public Lands finder: Just plug in by region or by activity, and find public lands and state parks near you.
Maine Trail Finder: Free online resource for people-powered trails in the state of Maine. Search a growing database of four-season trails to find the right trail for your next adventure. Browse interactive trail maps, trail descriptions, pictures, and trip reports.
Natural Disaster Survival While Hiking and Camping: A guide from Ryder University about preparing for, surviving, and learning more about natural disasters that may strike in the wild, with links to organizations and individuals, such as health communication professionals, who can help you as part of a disaster-relief effort.
Undiscovered Maine: University of Maine page with links to lesser-traveled outdoor adventures.