Rider on Adobe at Hollister Hills SVRA
Chapter 15 of 18

Sources & Citations

Complete Bibliography & Reference Documentation

Official Documentation

Primary / Official Sources

Hollister Hills SVRA Official Page

URL: ohv.parks.ca.gov/?page_id=1179
Last Verified: Oct 1, 2025
Notes: Primary source - all official info

CA State Parks Natural History

URL: ohv.parks.ca.gov/?page_id=21918
Last Verified: Oct 1, 2025
Notes: Geology, ecology, soil types

CA State Parks Cultural History

URL: ohv.parks.ca.gov/?page_id=29942
Last Verified: Oct 1, 2025
Notes: Park history, founding

4x4 Recreation Page

URL: ohv.parks.ca.gov/?page_id=1189
Last Verified: Oct 1, 2025
Notes: Upper Ranch, Hudner Ranch, FAQs

OHV Regulations - Hollister

URL: ohv.parks.ca.gov/?page_id=24947
Last Verified: Oct 1, 2025
Notes: Rules, spark arrestor, sound

OHMVR Division Homepage

URL: ohv.parks.ca.gov/
Last Verified: Oct 1, 2025
Notes: State-wide OHV program

OHV Registration Requirements

URL: ohv.parks.ca.gov/?page_id=26886
Last Verified: Oct 1, 2025
Notes: Green/Red sticker details

Nonresident OHV Permits

URL: ohv.parks.ca.gov/?page_id=25669
Last Verified: Oct 1, 2025
Notes: Out-of-state visitors

OHMVR FAQs

URL: ohv.parks.ca.gov/?page_id=26294
Last Verified: Oct 1, 2025
Notes: General OHV questions

OHV Safety Page

URL: ohv.parks.ca.gov/?page_id=26952
Last Verified: Oct 1, 2025
Notes: Youth requirements, safety

OHV Sound Regulations

URL: ohv.parks.ca.gov/?page_id=23037
Last Verified: Oct 1, 2025
Notes: Decibel limits, testing

Spark Arrestor Law

URL: ohv.parks.ca.gov/?page_id=23039
Last Verified: Oct 1, 2025
Notes: Requirements

OHMVR Grants Program

URL: ohv.parks.ca.gov/?page_id=1164
Last Verified: Oct 1, 2025
Notes: Funding info

CA DMV: OHV Registration

URL: dmv.ca.gov
Last Verified: Oct 1, 2025
Notes: Registration process

USGS San Andreas Fault Field Guide

URL: pubs.usgs.gov/of/2005/1127/chapter1.pdf
Last Verified: Oct 1, 2025
Notes: Geology, fault details
Community Resources

Secondary / Community Sources

RiderPlanet: Hollister Hills Info

URL: riderplanet-usa.com
Last Verified: Oct 1, 2025
Notes: Trail descriptions, rider info

RiderPlanet: CA SVRA History

URL: riderplanet-usa.com
Last Verified: Oct 1, 2025
Notes: Timeline of CA SVRAs

DesertUSA: Hollister Hills

URL: desertusa.com
Last Verified: Oct 1, 2025
Notes: Campgrounds, facilities, trails

AllTrails: Hollister Hills

URL: alltrails.com
Last Verified: Oct 1, 2025
Notes: Hiking/biking trails, reviews

Trailforks: Lower Ranch

URL: trailforks.com
Last Verified: Oct 1, 2025
Notes: Community trail data, GPS

OnX Offroad: Hollister Hills

URL: onxmaps.com
Last Verified: Oct 1, 2025
Notes: GPS maps, trail info

Hipcamp: Hollister Hills History

URL: hipcamp.com
Last Verified: Oct 1, 2025
Notes: Historical background

Hollister Hills Off-Road Assoc.

URL: hhora.wildapricot.org/
Last Verified: Oct 1, 2025
Notes: Local club, trail meetings

Faultline Powersports

URL: faultlinemc.com/
Last Verified: Oct 1, 2025
Notes: On-site store info

Hazel Hawkins Emergency Services

URL: hazelhawkins.com
Last Verified: Oct 1, 2025
Notes: Nearest hospital details
Quality Assurance

Verification Notes

Last Comprehensive Verification

Date: October 1, 2025, 10:30 AM PT

Critical Sections - Re-Check Recommended

  • 50th Anniversary Event Details - Check 1-2 weeks before October 11, 2025 for updated schedule
  • Trail Closure Status - Verify before ANY trip: ohv.parks.ca.gov/?page_id=1179
  • Fee Structure - Can change annually; confirm at kiosk
  • Hours/Regulations - Subject to updates; check official website

Source Quality Assessment

  • Excellent: CA State Parks official pages, USGS publications, DMV resources
  • Good: Established riding websites (RiderPlanet, DesertUSA), local organizations (HHORA)
  • Use Caution: Forum posts, social media (good for recent changes but verify)
  • Avoid: AI-generated content sites, outdated blogs (pre-2020)

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