NH48 API
Open data, routes, and photo metadata for New Hampshire’s 48 four-thousand-foot peaks. Browse the catalog, explore White Mountain trails, discover long-distance hiking routes, and learn about alpine flora.
NH48 Catalog
Browse New Hampshire's 48 four-thousand-foot peaks with detailed elevation data, route information, and summit photos. Filter by difficulty, range, and completion status.
Peak Planning Tool
Build NH48 day-trip itineraries with drag-and-drop ordering, risk filters, and route metrics.
Timed PeakID Game
Race the clock by matching falling summit photos to the correct NH48 peak names.
White Mountain Trails
Interactive map and trail finder for the White Mountain National Forest. Track completion progress, view trail details, and explore routes with real-time filtering.
Long Trails
Discover long-distance hiking trails across North America. View trail segments, elevation profiles, and route details for scenic thru-hikes and backpacking adventures.
Howker Plant Catalog
Explore alpine and subalpine plant observations from the Howker Ridge Trail, with species details, habitat notes, and photo references.
White Mountains Visual Wiki
Browse connected mountain, plant, and animal entries in a visual field-guide format built for hikers and researchers.
NH48 is an open hub for New Hampshire 4,000-footers and White Mountains peaks, with a searchable peak catalog, trail data, and crawlable photo metadata for hikers, researchers, and search/AI systems.