Weather, Route Finding & Navigation – SummitPost is a collaborative content community focused on climbing, mountaineering, hiking and other outdoor activities. This site is built by its members, and we welcome you to contribute.

Mount Washington Observatory – Mount Washington Observatory is a private, nonprofit, member-supported institution with a mission to advance understanding of the natural systems that create Earth’s weather and climate. It serves this mission by maintaining a weather station on the summit of Mount Washington, performing weather and climate research, conducting innovative science education programs, and interpreting the heritage of the Mount Washington region.

Mount Washington Avalanche Center – The MWAC is operated by the Androscoggin Ranger District of the White Mountain National Forest and is the only American avalanche center east of the Rockies. With the rich history of skiing and climbing here, it is also the oldest forecasting program in the country.

National Oceanic and Atmospheric Administration – Government administration for weather forecasts – Mountain Project aims to take climbing beta beyond the guidebook, and deliver personalization and community features for climbers across the globe.

New England Ice – This site is built and maintained by the ice climbing community.

NEClimbs + White Mountain Report – User driven forum with climbing conditions, routes, weather, etc. – Build and customize your own Topographic Maps. GPS enabled for use on your smart phone.

MyTopo Maps – Since our humble beginnings MyTopo has expanded our custom map and professional services. In addition to producing hundreds of thousands of custom topographic, satellite, and aerial photograph map products, we support Internet-based map services and maintain data and software supporting a wide variety of consumer and professional users.