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River Explorer

Rivers in New Hampshire

Named rivers across New Hampshire from public map data, with live USGS flow where a gauge sits.

  • Free to browse
  • USGS-sourced rivers
  • Save rivers to your account

State rankings

Longest Trails in New HampshireParks With the Most Trails in New Hampshire

River data from the USGS National Hydrography Dataset (public domain). Live flow, where shown, from USGS Water Data.

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Trail ExplorerBrowse a community map of named trails with distance, difficulty, and where each one starts.
Do I Need a Park Reservation?Pick a park and a day: whether it needs a timed entry ticket or vehicle reservation, at what hours, and how to book it, from the park's own page.
Route PlannerDrop stops on a map and watch distance and drive time add up. Export a GPX or share the link.
Gear ChecklistsPrintable, save-as-you-go packing lists. Tick items off and pull them up on your phone.
Outdoor ClubsBrowse local clubs with meeting info and how to join, or start your own for free.
Everything MapListings, trails, spots, clubs and public land on a single full-screen map. Switch layers on and off, then tap any point for the details.