Glen Van Peski will take you through the steps of how to pack lighter, so you can do more.
When, where: 7 p.m. Thursday at the Adventure 16 store, 11161 W. Pico Blvd., Los Angeles.
Admission, info: Free. (310) 473-4574.
Bryan Brown will share his story about completing the first unsupported descent of the entire 2,400-mile Colorado River watershed in September 2013.
When, where: 7 p.m. Thursday at the REI store in Tustin, 2962 El Camino Real.
Admission, info: Free. (714) 505-0205.
Participants will walk six miles to discover the geology and cultural history of the Cottonwood Spring area.
When, where: 9 a.m.-4 p.m. Saturday, Cottonwood Visitor Center.
Admission, info: $60. (760) 367-5535.