Cornwall (Wallkill River): Bloodstone & Jasper Rockhounding in Orange County, New York

Updated June 2026

Cornwall (Wallkill River) is a mapped rockhounding spot in Orange County, New York. Reported finds include bloodstone, jasper. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Permission required
County: Orange County
State: New York
Nearest road: Storm King Highway
Postcode: 12520
Coordinates: 41.43262, -73.98826

Geology at Cornwall (Wallkill River)

This spot sits on Hornblende granite and granite gneiss, mapped as granite and gneiss that formed roughly 1600 to 1000 million years ago. Plutonic rock like this weathers slowly into grus and boulders, and the most productive collecting is typically in weathered zones and drainages.

Mapped unit: Hornblende granite and granite gneiss
Age: 1600–1000 Ma (Mesoproterozoic)
Rock types: granite and gneiss
Elevation: 650 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 Cornwall (Wallkill River)

Best months: March to November. Typical highs run 84°F in midsummer and 35°F in midwinter, with winter lows near 20°F.

Climate normals: NOAA 1991-2020 monthlies, W PT station (3 mi away), adjusted for elevation.

Land & collecting status

Permission required before collecting

Requires landowner or agency permission before any collecting. Do not enter without explicit authorization.

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 Cornwall (Wallkill River)

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

Nearby rockhounding spots

Other rockhounding spots within driving distance of Cornwall (Wallkill River).

Across the state line from Cornwall (Wallkill River)

Cornwall (Wallkill River) is close enough to the New York border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.

Cornwall (Wallkill River) FAQ

Where is Cornwall (Wallkill River)?+

Cornwall (Wallkill River) is in Orange County, New York, at 41.43262, -73.98826. Nearest road: Storm King Highway.

What rocks and minerals can you find at Cornwall (Wallkill River)?+

Cornwall (Wallkill River) is reported to produce Bloodstone, Jasper.

Is collecting allowed at Cornwall (Wallkill River)?+

Permission required before collecting. Requires landowner or agency permission before any collecting. Do not enter without explicit authorization. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Cornwall (Wallkill River)?+

Most agate and jasper is surface float: bring a spray bottle, a pick or small shovel, and a sturdy bag. Wet stones show their banding and translucence.

When is the best time to visit Cornwall (Wallkill River)?+

The most comfortable months at Cornwall (Wallkill River) are March to November.

How do I get to Cornwall (Wallkill River)?+

Open the directions link to navigate to 41.43262, -73.98826 in Google Maps. The nearest road is Storm King Highway.

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Open Cornwall (Wallkill River) on the map

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