Films & programs: Hit the John Muir Trail with tips from experts

HIKING

Presentation

REI experts will discuss the basics of planning an adventure on the John Muir Trail.

When, where: 7 p.m. Tuesday at the REI store in Santa Monica, 402 Santa Monica Blvd., and Wednesday at the stores in Tustin, 2962 El Camino Real, and Woodland Hills, 6220 Topanga Blvd.

Admission, info: Free. (310) 458-4370 for Santa Monica; (714) 505-0205 for Tustin; and (818) 703-5300 for Woodland Hills.

CLIMBING

Presentation

Professional climber Beth Rodden will talk about some of her ascents.

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

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

TRAVEL

Presentation

Angel Castellanos will discuss skills, safety and packing tips, and traveling with technology.

When, where: 9:30 a.m. Saturday at H. Savinar Luggage Co., 6931 Topanga Canyon Blvd., Canoga Park.

Admission, info: Free. RSVP to (818) 703-1313.

SAN PEDRO

Join the Cabrillo Marine Aquarium aboard a floating oceanography and marine biology lab to study near-shore animals, plankton and birds.

When, where: 9 a.m.-noon Aug. 20. Cabrillo Marine Aquarium, 3720 Stephen M. White Drive, San Pedro

Admission, info: $28. Pre-registration required; (310) 548-7562

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