Jasper Knob (Jasper Hill) — Rockhounding in Marquette County, Michigan
Jasper Knob in Ishpeming is a bald hilltop made entirely of jaspilite, a 1.87-billion-year-old banded iron formation of alternating red jasper and silvery specular hematite. The folded, polished bands are among the best easily reached banded-iron exposures in North America. A short foot trail off Hill Street leads straight to the outcrop. Reported finds include jaspilite, jasper, hematite, specular hematite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Jasper Knob (Jasper Hill) photos
Public image records connected to this spot or its reported material.
Map showing Jasper Knob (Jasper Hill) in Marquette County, Michigan
Quick details
- Access
- Public area
- County
- Marquette County
- State
- Michigan
- Nearest road
- Jasper Knob
- Postcode
- 48949
- Coordinates
- 46.48671, -87.65506
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.
State guidance last verified:
- Michigan DNR — Rockhounding rules
- Michigan Geological Survey
- Isle Royale National Park — Rules
- Community submissions reviewed against published agency rules
Found at Jasper Knob (Jasper Hill)
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
- JaspiliteEncyclopedia →
- JasperEncyclopedia →
- HematiteEncyclopedia →
- Specular HematiteEncyclopedia →
Nearby rockhounding spots
Other rockhounding spots within driving distance of Jasper Knob (Jasper Hill).
- Rope MineMarquette County, Michigan · 4 mi awayGold, Pyrite, Chalcopyrite
- Champion Mine DumpMarquette County, Michigan · 16 mi awayHematite, Sapphire, Sericite
- Mt. ShastaMarquette County, Michigan · 21 mi awayGarnet
- Michigamme MineMarquette County, Michigan · 21 mi awayChalcedony, Hematite, Jaspilite
- Torch Lake BeachHoughton County, Michigan · 59 mi awayFossils, Petoskey Stones
- Keweenaw PointTop pick in MichiganKeweenaw County, Michigan · 64 mi awayKeweenaw Agate, Thomsonite, Datolite
- Manitou IslandTop pick in MichiganKeweenaw County, Michigan · 64 mi awayLake Superior Agate, Quartz
- McClain State ParkHoughton County, Michigan · 69 mi awayAdularia, Chalcedony, Chert
Across the state line from Jasper Knob (Jasper Hill)
Jasper Knob (Jasper Hill) is close enough to the Michigan border that the next-closest rockhounding spots are in a neighboring state. Worth knowing if you are already on the road.
Jasper Knob (Jasper Hill) FAQ
Why is Jasper Knob (Jasper Hill) one of the best rockhounding spots in Michigan?+
Where is Jasper Knob (Jasper Hill)?+
What rocks and minerals can you find at Jasper Knob (Jasper Hill)?+
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More rockhounding in Michigan
See all 24 Michigan spots →Open Jasper Knob (Jasper Hill) on the map
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