Hooper Garnet Mine

North River, New York
🌍 Land Type: Public Land
💰 Fee: Free
Approximate — check official site before visiting
📅 Season: Spring-Fall (weather dependent, trail hiking)
📊 Difficulty: moderate

Abandoned open pit garnet mine in the Adirondack Mountains accessible via a one-mile hike. Visitors can collect garnet specimens from the old mine workings. Trail leads past Garnet Hill Lodge which offers dining. A free public rockhounding destination.

Garnets 🪨 Rockhounding

🪨 What You Can Find Here

Garnets

Deep red almandine garnets are found in many states. Idaho's star garnets are among the rarest in the world.

Also found at:

📍 Nearby Locations in New York

Benson Mines

St. Lawrence County, New York · Fee Dig

Historic mining area in the Adirondacks producing garnet crystals and iron minerals. Garnet mining was once a major industry here.

GarnetsHematiteMagnetite

Crystal Grove Diamond Mine

St. Johnsville, New York · Fee Dig

Hunt for the famous Herkimer diamonds — beautiful double-terminated quartz crystals first discovered in New York. Equipment rental available.

Quartz Crystals

Gore Mountain

North River, New York · Fee Dig

World-famous for giant almandine garnet crystals, some exceeding 2 feet in diameter. Home of the world's largest garnet deposit.

Garnets

Herkimer Diamond Mines

Middleville, New York · Fee Dig

The original Herkimer diamond mining experience. Multiple sites in the area allow digging for these perfectly clear double-terminated quartz crystals.

Quartz Crystals

LCT Lithium Mine

Benson Mines Area, New York · Fee Dig

Pegmatite deposit producing beryl, garnet, and quartz crystals in the Adirondack region.

BerylGarnetsQuartz Crystals

Rose Hill Mine

Ogdensburg, New York · Fee Dig

Famous mineral locality in the Balmat-Edwards district known for fluorite, sphalerite, and calcite specimens.

FluoriteSphaleriteCalcite

⛏️ Recommended Gear

Make the most of your visit to Hooper Garnet Mine with the right equipment.

Rock Hammer

The most essential rockhounding tool. Choose a hammer with both a flat striking face and a pointed pick end.

Typical: $25-45

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Safety Glasses

Mandatory protective gear. Rock chips fly unpredictably when hammering.

Typical: $10-20

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Chisel Set

Cold chisels in 3-4 sizes for precise extraction from matrix rock.

Typical: $15-30

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Geologist's Pick

A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.

Typical: $35-60

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Sifting Screen

Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.

Typical: $20-40

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UV Flashlight

Long-wave UV light for finding fluorescent minerals and Yooperlites.

Typical: $15-35

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