Las Trampas Wilderness Regional Preserve

Park

Plan with 2 source-backed facts, 1 related record, and explicit uncertainty.

Plan a visit

More planning facts

Managed land boundary geometry

Recorded for: Las Trampas Wilderness Regional Preserve

Boundary geometry snapshot
Feature ids
  • ebrpd:75
  • ebrpd:151
Path
geometry/v0/snapshots/ebrpd-managed-land-boundaries-20260924.geojson
Sha256
4e6558956f4f397816d719ff87554289e08dd495314b2d57c83d1634f083e3e5
Boundary type
managed land status polygons
Coordinate precision decimal degrees
5
Coordinate reference system
EPSG:4326
Navigation grade
No
Evidence and sources (1)

No claim effective interval recorded.

No claim spatial scope recorded.

  1. Evidence stance: supports · Evidence details

    Evidence notes: Supports the selected source polygons and their retained boundary semantics.

    EBRPD's open-data layer reports the selected current managed-land polygons; parkland and landbank status remain separate.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Not recorded
    Observed at
    Unknown
    Retrieved at
    2026-09-24T22:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: East Bay Regional Park District

    Recorded artifact references
    • geometry/v0/snapshots/ebrpd-managed-land-boundaries-20260924.geojson

    References are not a confirmation of current availability.

Visitor profile

Recorded for: Las Trampas Wilderness Regional Preserve

Accessible facilities at bollinger
  • disabled parking
  • wheelchair-accessible chemical toilet
  • drinking fountain
  • picnic site
Acreage
6050
Activities
  • biking
  • camping
  • hiking
  • horseback riding
  • picnicking
Address
18012 Bollinger Canyon Road, San Ramon, CA 94583
Group camp
Bring own water
Yes
Minimum advance business days
3
Name
Corral Area
Reservation required
Yes
Seasonal gate hours
08:00 opening; closing varies from 17:30 to 20:00 by published date bands
Trail rules
Ebmud land permit required
Yes
Rocky ridge view trail bicycles
No
Use only signed mapped trails
Yes
Water
inconsistent and may be unavailable; visitors should carry water
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-las-trampas-wilderness-regional-preserve

  1. Evidence stance: supports · Evidence details

    Evidence notes: Direct transcription and conservative structuring of planning-relevant fields from the official park page.

    The live park page publishes the visitor profile represented by the associated claim, including access, operating information, facilities, and material restrictions.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-20T07:00:00+00:00

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: East Bay Regional Park District

    Recorded artifact references
    • Overview
    • To Reach The Park
    • Attractions

    References are not a confirmation of current availability.

Explore related places

Places and facilities (1)

Before you go

No direct knowledge gap is linked to this entity. That does not mean the record is complete.

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.

Evidence for 2 published claims
Published ChangeSet history

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