What is here
rhyolite mountains, hot-spring systems and hydrothermal alteration
Materials / interest: Rhyolite, Sulfur, Volcanic Rock
Collecting and access
Public outdoor viewing on permitted routes only; geological formations and hot-spring systems must not be disturbed or collected.
Use marked visitor routes and current highland-road guidance.
- Detailed status
- prohibited
- Permission
- Not flagged
- Permit
- Not flagged
- Fee
- Not flagged
- Guide
- Not flagged
- Booking
- Not flagged
- Surface collecting
- no
- Hammering
- no
- Digging
- no
Safety
Remote highland weather, geothermal hazards and difficult road conditions.
Seasonal / timing conditions
Highland road and weather access is strongly seasonal.
Review status
Access reviewed: 2026-09-13 · Sources reviewed: 2026-09-13 · Next scheduled review: 2027-09-13.
Recheck access, closures, permissions and current source instructions before field travel.