Lisbon: Staurolite Rockhounding in Grafton County, New Hampshire

Updated June 2026

Lisbon is a mapped rockhounding spot in Grafton County, New Hampshire. Reported finds include staurolite. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Grafton County
State: New Hampshire
Nearest road: Valley View Drive
Postcode: 03585
Coordinates: 44.22048, -71.90503

Geology at Lisbon

This spot sits on ground mapped as Ammonoosuc Volcanics that formed roughly 485 to 445 million years ago. Volcanic ground like this weathers into rocky slopes and float, and fresh exposures in cuts and drainages are usually the most productive places to look.

Mapped unit: Ammonoosuc Volcanics
Age: 485–445 Ma (Ordovician)
Elevation: 570 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Lisbon

Best months: April to November. Typical highs run 80°F in midsummer and 29°F in midwinter, with winter lows near 10°F.

Climate normals: NOAA 1991-2020 monthlies, BENTON 5 SW station (13 mi away), adjusted for elevation.

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Lisbon

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Staurolite Encyclopedia →

Nearby rockhounding spots

Other rockhounding spots within driving distance of Lisbon.

Across the state line from Lisbon

Lisbon is close enough to the New Hampshire border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Lisbon FAQ

Where is Lisbon?+

Lisbon is in Grafton County, New Hampshire, at 44.22048, -71.90503. Nearest road: Valley View Drive.

What rocks and minerals can you find at Lisbon?+

Lisbon is reported to produce Staurolite.

Is collecting allowed at Lisbon?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Lisbon?+

A rock hammer, a sieve, and a small shovel work well for garnet-type minerals, which concentrate as resistant grains in soils and creek gravels.

When is the best time to visit Lisbon?+

The most comfortable months at Lisbon are April to November.

How do I get to Lisbon?+

Open the directions link to navigate to 44.22048, -71.90503 in Google Maps. The nearest road is Valley View Drive.

More rockhounding in New Hampshire

See all 43 New Hampshire spots →

Open Lisbon on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.