Idaho · Hot spring

Greylock Hot Spring

56 mi from Boise · ~1.6 hr drive

Greylock Hot Spring is a hot spring catalogued in Idaho by the U.S. Geological Survey's Geographic Names Information System — about 56 miles from Boise, ID. Coordinates and the closest documented metro are listed below; for current access and soaking rules, check with the relevant land manager before visiting.

Safety & access

Read before visiting

Verify access before driving in. The U.S. Geological Survey catalogs the geographic feature, not its access status. Hot springs in our database span the full range from developed public soaking pools to private resorts to wild thermal water on federal/state land. Some require entry fees; some are on private property; some are in National Park Service units where soaking is prohibited.

Before you go: check current conditions and access rules with the relevant land manager — National Park Service unit, U.S. Forest Service ranger district, Bureau of Land Management field office, state-park department, or the property owner if it's private. Wild thermal water can be unsafe to enter without a thermometer; surface temperatures can vary dramatically from the deeper pool. When in doubt, don't soak.

State: Idaho
Nearest city: Boise, ID · 56 mi · ~1.6 hr drive
Type: Hot spring
Coordinates: 43.8150°, -115.1083°

Visiting Greylock Hot Spring

Trip planning

The exact location is at 43.8150°, -115.1083° — open in Google Maps for driving directions from your location.

If you've visited Greylock Hot Spring and have current notes (parking, access, soaking rules, fees, ownership), tell us at /contact — we update pages as we learn more.

Stay nearby

Affiliate · disclosed

Driving in? The nearest documented metro is Boise, ID — 56 miles away (~1.6 hr drive). See accommodation in Boise on Booking.com → RoamFound earns a small commission if you book through this link, at no extra cost to you. How we handle affiliate links.

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Sources

Public data

Location data for Greylock Hot Spring comes from the U.S. Geological Survey's Geographic Names Information System (public domain), feature class "Spring". We filter the GNIS Spring catalog to thermal features by name pattern (hot spring, warm spring, geyser, boiling spring, thermal). The GNIS records the geographic feature itself; access rules, ownership, and current conditions come from the relevant land manager. To suggest corrections, see our methodology page or contact us.