Skip to content
PaddlingHubs

Rankings

Longest River Runs in New Hampshire

The longest mapped river runs in New Hampshire, ranked from 119 named reaches in the Paddling Hubs network. Reach lengths come from USGS hydrography, so these are real river miles, not estimates.

In this scope: 119 reaches · 866 mi

  1. Saco RiverSaco Bound Canoe & Kayak36.1 mi
  2. Contoocook RiverContoocook River Canoe Co32.3 mi
  3. Magalloway RiverMahoosuc Outdoors24.4 mi
  4. Merrimack RiverContoocook River Canoe Co21.4 mi
  5. Upper Ammonoosuc RiverNorth Woods Rafting20.4 mi
  6. Kennebago RiverMahoosuc Outdoors19.7 mi
  7. Connecticut RiverMahoosuc Outdoors18.4 mi
  8. Rapid RiverMahoosuc Outdoors18.3 mi
  9. Soucook RiverContoocook River Canoe Co18.1 mi
  10. Piscataquog RiverContoocook River Canoe Co17.9 mi
  11. Ammonoosuc RiverNorth Country Kayak17.4 mi
  12. Baker RiverOut Back Kayak Co16.4 mi
  13. Swift RiverSaco Canoe Rental Company16.3 mi
  14. Salmon Falls RiverSUPNH Paddleboard & Kayak rentals15.6 mi
  15. Lamprey RiverCinnamon Rainbows Surf Company14 mi
  16. Suncook RiverSUPNH Paddleboard & Kayak rentals13.8 mi
  17. Androscoggin RiverNorthern Waters Outfitters13.6 mi
  18. Warner RiverContoocook River Canoe Co13.5 mi
  19. Ossipee RiverSaco Bound Canoe & Kayak12.7 mi
  20. Bellamy RiverSeven Rivers Paddling11 mi
  21. Rangeley RiverMahoosuc Outdoors11 mi
  22. Piscataqua RiverSeven Rivers Paddling10.3 mi
  23. Little Ossipee RiverSUPNH Paddleboard & Kayak rentals9.7 mi
  24. Cocheco RiverSUPNH Paddleboard & Kayak rentals9.6 mi
  25. Pemigewasset RiverOut Back Kayak Co9.3 mi

See the national list

Other states

In your pocket

Take every launch with you.

Free, no account needed. Put-in maps, live water reports, and your trip log in your pocket.

  • Every launch in your pocket

  • Flow-and-level reports from paddlers

  • Log your paddles in one timeline

  • Find the next put-in wherever you roam

Download Great Outdoor Hubs
See how Paddling Hubs compares
The Paddling Hubs app dashboard

For operators

Run your outfitter?
Launch your branded surface.

Get your own branded surface in the Paddling Hubs app and a directory listing in minutes. bookings, digital waivers, and your whole operation in one cockpit.

Get started free How it works