AMC:
AMC Headquarters, Joy St, Boston Web Site

Appalachian Trail:
Appalachian Trail Home Page
International AT
Maine Appalachian Trail Club
Maine Street Cafe - Kingfield, ME
Trailplace - AT Thru Hikers

Birding:
Mainebirding.Net
VINS Mountain Bird Watch

Conservation:
Heritage Forests Preservation Directory
Maine Assoc. of Conservation Commissions
Maine Audubon Society
Maine Bureau of Parks and Lands
Maine Conversation Voters Education Fund
Maine Environmental Policy Institute
Maine Land and Trust Network
Maine League of Conservation Voters
Maine State Planning Office
Natural Resources Council of Maine
Restore: The North Woods
Sierra Club Maine Chapter
The Maine Conservation School
Tumbledown Conservation Alliance

Cycling:
Bicycle Coalition of Maine
CAM-AM Wheelers - Bicycle Adventures
Competitive Cycling Club of Portland
Saco Bay Cycling Club

Equipment & Outfitters:
Adventurous Traveler Bookstore
Backpacking Gear Test & Review
Campmor
Gear Finder
GearPro
Mountain Gear
Nicatou Outfitters
Outdoor Classified Ads
REI
Repeat Performance (Portland ME Store)

Guide Services:
Allagash Guide Service
All Outdoors Guiding
Bartlett Backcountry Adventures
Mountain Woman Guide Service
Mahoosuc Guide Service
Mountain Ranger Guide Service

Health:
Portland Health Online
The Foot Health Network

Maine Recreation Information:
Maine's Outdoor Sporting Guide
Maine Vacation.com
Northern Maine Recreation
No Umbrella Magazine

Mapping:
Delorme Mapping
Map Blast
Map Quest
Map Tech
Maps of National Parks and Monuments

National Parks:
National Park Service

Outdoor Sports:
Backpacker Magazine
Great Outdoor Recreation Pages
Great Outdoors
Outdoor Life Network
The Mountain Zone

Photography:
Katahdin File Project

Skiing:
Maine Nordic Ski Council
Ski Maine Association

Trails, Hiking & Climbing:
Adirondack Mountain Club
American Alpine Institute
American Hiking Society
American Trails
Curtis Public Library (see Great Outdoors)
Eastern Trail Alliance (Other Information)
Green Mountain Club
Hikenet
Maine Outdoor Adventure Club
NE Trailhead
Peakbagging in New England
Portland Trails Home Page
Rails to Trails Conservancy
Rail-Trails in NH, VT & ME
Saco City Trail Guide
Views from the Top - Northeast Edition
Views from the Top - Maine Trail Conditions
Walkers’ Health Survey
White Mountains Information Server

Water Sports & Paddling:
American Whitewater
Maine Canoe Symposium
Maine Harbors
Southern Maine Sea Kayaking Network
Rippleffect
USGS Water Resources

Weather Forecast - Regional:
Intellicast Portland Radar Map
Intellicast Portland Weather
NWS Maine Zone Forecasts
NWS Summit Forecast
The Weather Channel

Weather Forecast - Mt Washington:
Rockpile - Mt Washington Conditions
USA Today - Mt Washington 5-Day Forecast
Weather Underground - Mt Washington Forecast