This session will help you plan your fall day hikes; learn about trip planning, essential items, safety precautions, local resources and places to go; 7-8:30 p.m. Tuesday; REI, 3825 S. Steele St., Tacoma; free; register at rei.com/tacoma; 253-671-1938.
Explore Swan Creek Park during a naturalist-led family walks; this program is not recommended for wheelchairs, strollers or children under 3 years old; 1-2 p.m. Saturday; Swam Creek Park, Roosevelt and East 42nd streets, Tacoma; free; pre-register by calling 253-591-6439.
Look into the waters of Puget Sound and discover the creatures that live below the surface; jellyfish, sea slugs and worms are some of the creatures attracted by underwater lights; 8 p.m. Friday, Boston Harbor Marina, 312 73rd Ave. NE, Olympia; $10 for people 12 and older, free for ages 6-11; register at sseacenter.wordpress.com.
Traci McCullah and Taylor Murray of Thurston County Search and Rescue will discuss some do's and don’ts for women who hike and enjoy other outdoor adventures, including the 10 Essentials; 2 p.m. Saturday; Cabela’s camping department, 1600 Gateway Blvd. NE, Lacey; 360-252-3500.