Tilly Foster Iron Mine — Rockhounding in Putnam County, New York
Tilly Foster Iron Mine is a mapped rockhounding spot in Putnam County, New York. Reported finds include magnetite, brucite, chondrodite, clinochlore, titanite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Tilly Foster Iron Mine in Putnam County, New York
Quick details
- Access
- Public area
- County
- Putnam County
- State
- New York
- Nearest road
- Old Mine Road
- Postcode
- 10509
- Coordinates
- 41.41298, -73.64211
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 Tilly Foster Iron Mine
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- MagnetiteEncyclopedia →
- BruciteEncyclopedia →
- ChondroditeEncyclopedia →
- ClinochloreEncyclopedia →
- TitaniteEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Tilly Foster Iron Mine.
- Pine PondPutnam County, New York · 5 mi awayArsenopyrite, Asbestos, Leucopyrite
- PeeksillWestchester County, New York · 14 mi awaySunstone
- Area Near West PointOrange County, New York · 18 mi awayChrysotile Asbestos
- Cornwall (Wallkill River)Orange County, New York · 18 mi awayBloodstone, Jasper
- CraigsvilleOrange County, New York · 31 mi awayBloodstone
- NE Dutchess CountyDutchess County, New York · 40 mi awayGalena, Goethite, Limonite
- Mines (Orange County)Orange County, New York · 41 mi awayArsenopyrite, Leucopyrite, Scorodite
- Ancram area lead minesColumbia County, New York · 42 mi awayBarite, Galena, Sphalerite
Across the state line from Tilly Foster Iron Mine
Tilly Foster Iron Mine 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.
- DanburyWestern Connecticut Planning Region, Connecticut · 10 mi awayGraphite
- Aldrich ParkWestern Connecticut Planning Region, Connecticut · 12 mi awayQuartz
- ReddingWestern Connecticut Planning Region, Connecticut · 14 mi awayGraphite
- WiltonWestern Connecticut Planning Region, Connecticut · 17 mi awayArsenopyrite, Bismuth, Galena
- Old Iron MineNorthwest Hills Planning Region, Connecticut · 19 mi awayChalcopyrite, Galena, Pyrite
- BridgewaterNorthwest Hills Planning Region, Connecticut · 19 mi awayCalamine, Galena, Cerussite
