Monitoring

2025 Annual Rubicon Trail Report

• 2025 Annual Report(PDF, 5MB)

Annual Report Archives

• 2024 Annual Report(PDF, 4MB)
• 2023 Annual Report(PDF, 4MB)
• 2022 Annual Report(PDF, 13MB)
• 2021 Annual Report(PDF, 4MB)
• 2020 Annual Report(PDF, 20MB)
• 2019 Annual Report(PDF, 6MB)
• 2018 Annual Report(PDF, 4MB)
• 2017 Annual Report(PDF, 8MB)

Rubicon Trail Site Assessments

Rubicon Trail Monitoring Protocols

• 2016 Update(PDF, 56KB)
• 2014 Update(PDF, 56KB)

Current Season Reports

• November 14, 2025 Site Assessment
  (PDF, 3MB)
• December 22, 2025 Site Assessment
  (PDF, 2MB)
• January 12, 2026 Site Assessment
  (PDF, 883KB)
• March 2, 2026 Site Assessment(PDF, 3MB)
• March 16, 2026 Site Assessment(PDF, 3MB)
• March 24, 2026 Site Assessment(PDF, 2MB)
• April 3, 2026 Site Assessment(PDF, 2MB)
• April 23, 2026 Site Assessment(PDF, 2MB)

Archive Rubicon Trail Site Assessments

Weather Links

• Loon Lake
• SNOTEL - Rubicon #2
• Lake Tahoe Airport