Bumpass Hell

Hydrothermal area

Plan with 0 source-backed facts, 4 related records, and explicit uncertainty.

Check before choosing this trip

Rules can change across jurisdictions. Each fact below belongs to the named place; a connected place is not automatically part of your itinerary. This is recorded evidence; recheck current rules and conditions before travel.

Traversed place

Lassen Volcanic National Park

Pretrip current conditions recheck

Required
Yes
Topics
  • alerts and closures
  • roads
  • trails
  • fire and smoke
  • snow
  • facilities
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-lassen-national-park

  1. Evidence stance: supports · Evidence details

    The current-conditions page is the operational source for alerts, roads, trails, fire and smoke, snow, facilities, and closures.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-22T19:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Source: National Park Service. Retrieved: 2026-09-22.

Still unresolved

Review unresolved questions · Compare connected places and approaches

Plan a visit

No direct planning facts are published yet. That absence is not confirmation.

Explore related places

Access and approaches (1)

Places and facilities (1)

Routes and related places (2)

Before you go

These open questions need confirmation; Wayproof does not fill them with guesses.

What exact boardwalk circulation and Kings Creek alternative should a complete Bumpass Hell visitor traversal use?

The official dataset supports a connected 1.29564925-mile approach from the Bumpass Hell parking area to the basin entry. Separate boardwalk branches and a trail continuing east share the basin endpoint, while NPS describes a second overlook and a Kings Creek alternative without an unambiguous atomic visitor path in this batch. The published three-mile round-trip profile may include basin circulation not represented by the two approach features, so Wayproof does not force their values to match.

Open question. Linked evidence does not resolve this gap.

Published route description

Basin boardwalk
Yes
Kings creek access alternative
Yes
Most hikers return from second overlook
Yes
Second basin overlook route
Yes
Usual destination
hydrothermal-area-bumpass-hell
Usual start
trailhead-bumpass-hell
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-route-bumpass-hell-trail

  1. Evidence stance: supports · Evidence details

    NPS describes the usual Bumpass Hell hike as a three-mile round trip from the Bumpass Hell parking area: the first mile is mostly flat, the trail then drops into the basin, and a boardwalk provides close views. A second trail skirts the north edge and continues to a second overlook; most hikers return from there. The page also says the basin is accessible by a trail from Kings Creek. Within the same page, the parking area is described as both seven and eight miles from the Southwest Entrance, duration as two hours and 90 minutes, descent as 200 and 300 feet, and surface as packed gravel and hardpacked dirt and rock.

    Publisher
    National Park Service
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-23T21:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Sources, evidence, and history

Planning facts above are readable first. Open these records when you need to audit a source or see when knowledge changed.

Published ChangeSet history

Canonical data is historical evidence, not a guarantee of current conditions. Recheck volatile facts before travel.