Polar Caves (Baker River Mining Sluice)
Approximate — check official site before visiting
Family-owned natural attraction since 1922 offering nine granite caves, boardwalks, nature trails, and the Baker River Mining Sluice where families can pan for gemstones, crystals, and fossils. Also features a boulder maze, animal park, maple lodge, glacial rock garden, and gift shop. Great family-friendly add-on to the cave exploration experience.
🪨 What You Can Find Here
Gemstones
Also found at:
Crystals
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Fossils
From shark teeth in Florida to dinosaurs in Montana, the US offers world-class fossil hunting for all skill levels.
Also found at:
📍 Nearby Locations in New Hampshire
Deer Hill Mineral Collecting Area
North Conway, New Hampshire · USFS
Well-known USFS mineral collecting area in the White Mountain National Forest near the ME/NH border. Known for producing large amounts of amethyst, wh...
Hurricane Mountain
North Conway, New Hampshire · Public Land
Public mineral collecting area on Hurricane Mountain in the White Mountain National Forest. Known for amethyst and smoky quartz crystals in alkali sye...
Lord Hill Mineral Collecting Area
North Conway, New Hampshire · USFS
USFS mineral collecting area in White Mountain National Forest. Former feldspar quarry with a rare element pegmatite. Known for bluish-white topaz, sm...
Lost River Mining Sluice
North Woodstock, New Hampshire · Fee Dig
Gemstone and fossil mining sluice at Lost River Gorge & Boulder Caves. Includes a bag of mining rough with gemstones. Water-powered sluice. Great fami...
Moat Mountain Smoky Quartz
North Conway, New Hampshire · USFS
USFS area in the White Mountains known for smoky quartz and topaz crystals. Requires hiking. Collecting for personal use.
New Hampshire Beryl Quarries
Keene, New Hampshire · Fee Dig
Numerous pegmatite quarries in the Keene area for beryl, smoky quartz, and garnet. Some fee-dig operations available.
⛏️ Recommended Gear
Make the most of your visit to Polar Caves (Baker River Mining Sluice) 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
Safety Glasses
Mandatory protective gear. Rock chips fly unpredictably when hammering.
Typical: $10-20
Chisel Set
Cold chisels in 3-4 sizes for precise extraction from matrix rock.
Typical: $15-30
Geologist's Pick
A heavier crack hammer for splitting hard rock. Essential for hard rock mining areas.
Typical: $35-60
Sifting Screen
Stackable mesh screens for sifting gravel and dirt. Essential for gem and fossil hunting.
Typical: $20-40
UV Flashlight
Long-wave UV light for finding fluorescent minerals and Yooperlites.
Typical: $15-35