Please review our hiker info page to familiarize yourself with hiker safety rules and our hike ratings so that you can select hikes that meet your level of fitness. Unless specified otherwise in the activity descriptions below, hikes have a 15 person limit, and they begin in the ABDNHA parking lot.

In-Person Lecture

Name: Astronomy Lecture: Fossils of the Solar System
Start: 2026-01-10T15:30:00-08:00
End: 2026-01-10T16:30:00-08:00
Location: ABDNHA Library

Nov 2025
- Sat 22
  - 6:00 pm - 7:30 pm
    
    Stargazing: Exploring the Milky Way and its Neighbors – CANCELLED DUE TO RAIN
Dec 2025
- Sat 13
  - 2:00 pm - 3:00 pm
    
    Propagating Desert Plants
    
    $8.00 – $12.00
- Sat 20
  - 6:00 pm - 7:30 pm
    
    Stargazing: The Orion Nebula, Star Factory in the Great Hunter
    
    $8.00 – $12.00
- Sat 27
  - 6:30 pm - 7:30 pm
    
    Lecture: Boomer Archaeologist
    
    Get Tickets $8.00 – $12.00
Jan 2026
- Fri 2
  - 6:30 pm - 7:30 pm
    
    Lecture: Native Baskets – Function and Art – CANCELLED
- Sat 3
  - 6:30 pm - 7:30 pm
    
    Lecture: Plants of Anza-Borrego Desert
    
    $8.00 – $12.00
- Wed 7
  - 7:00 pm - 8:00 pm
    
    Lecture: Life in the Borderlands – the History of Crossing the California-Mexico Border
- Fri 9
  - 6:30 pm - 7:30 pm
    
    Lecture: The Story of the Salton Sea – FULL
    
    $8.00 – $12.00
- Sat 10
  - 3:30 pm - 4:30 pm
    
    Astronomy Lecture: Fossils of the Solar System
    
    $8.00 – $12.00

Nov 2025

Sat 22

Dec 2025

Sat 13

Sat 20

Sat 27

Jan 2026

Fri 2

Sat 3

Wed 7

Fri 9

Sat 10