Hydrothermal area safety

Claims and evidence

Do not touch or enter hydrothermal water: Yes
Off trail travel unlawful: Yes
Stay on established trails or boardwalks: Yes

Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-lassen-national-park

Evidence stance: supports · Evidence details
NPS identifies Bumpass Hell, Sulphur Works, Devils Kitchen, Boiling Springs Lake, and Terminal Geyser as hydrothermal destinations and requires visitors to remain on established trails or boardwalks.
Publisher
National Park Service
Observer / attribution
Not recorded
Observed at
Unknown
Retrieved at
2026-09-23T03:30:00+00:00
Retrieval time does not establish when an event occurred.
Observation details · Source details · Original source: National Park Service

Recorded observations

Browse observations separately (1)

NPS identifies Bumpass Hell, Sulphur Works, Devils Kitchen, Boiling Springs Lake, and Terminal Geyser as hydrothermal destinations and requires visitors to remain on established trails or boardwalks.

Publisher: National Park Service
Observer / attribution: Not recorded
Observed at: Unknown
Retrieved at: 2026-09-23T03:30:00+00:00

Retrieval time does not establish when an event occurred.

Observation details · Source details · Original source: National Park Service

Published record history

wp-20260923-lassen-destinations-route-depth: ADD — Publish official-source Lassen destination identities, named hiking routes, evidenced starts, route profiles, and route-condition rechecks without inventing segment topology.

History lists published operations; it does not reconstruct removed content or confirm that external media remains available.

JSON

Historical evidence is not a guarantee of current conditions.

Claims and evidence