Observation

observation · observation-nps-lassen-hydrothermal-20260923

Claims and evidence

Hydrothermal area safety

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

  1. 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

Published access

Location
one mile north of Southwest Entrance
Mode
sidewalk
Parking
adjacent parking area
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-hydrothermal-area-sulphur-works

  1. 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

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.