Toddsville: Sapphire Rockhounding in Otsego County, New York

Quick details

Access

Public area

County

Otsego County

State

New York

Nearest road

County Highway 26

Postcode

13326

Coordinates

42.68990, -74.96054

Geology at Toddsville

This spot sits on Panther Mountain Formation, mapped as shale, siltstone, and sandstone that formed roughly 395 to 385 million years ago. Sedimentary rock like this erodes unevenly, so the most productive collecting is typically along fresh cuts, badland slopes, and active drainages.

Mapped unit

Panther Mountain Formation

Age

395–385 Ma (Middle Devonian)

Rock types

shale, siltstone, and sandstone

Elevation

1,210 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 Toddsville

Best months: April to October. Typical highs run 73°F in midsummer and 23°F in midwinter, with winter lows near 14°F.

Climate normals: NOAA 1991-2020 monthlies, COOPERSTOWN station (3 mi away).

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 Toddsville

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

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