Upcoming L.A. area events offer tips on backpacking in SoCal, hiking John Muir Trail and more

BACKPACKING

Workshop

Experts offer tips on backpacking in Southern California, including local information and how to choose gear.

When, where: 7 p.m. Thursday at the REI store in Woodland Hills, 6220 Topanga Canyon Blvd.

Admission, info: Free. (818) 703-5300.

HIKING

John Muir Trail

Get advice on planning and preparing for thru-hiking the John Muir Trail from Yosemite to Mt. Whitney.

When, where: 6:30 p.m. Friday at the Adventure 16 store, 11161 W. Pico Blvd., Los Angeles.

Admission, info: Free, (310) 473-4574.

JOSHUA TREE

Night skies

Learn basic astronomy and observation techniques, then head into Joshua Tree National Park to observe the night sky.

When, where: 2-10 p.m. Saturday at Oasis Visitor Center, Twentynine Palms

Admission, info: $70. (760) 367-5535.

SAN PEDRO

Meet the grunion

Learn about grunion, the sardine-size fish that come ashore to lay their eggs, at the Cabrillo Marine Aquarium.

When, where: May 8. Museum opens at 8 p.m; grunion film at 9 p.m., then gather on the beach for the expected run. 3720 Stephen M. White Drive, San Pedro.

Admission, info: Adults $5 at the door, $6.27 online; $1 at the door for seniors, students and children; $2.05 online. Parking $3.50. (310) 548-7562.

Please email announcements at least three weeks before the event to travel@latimes.com.