Free & Cheap Things to Do in San Luis Obispo

Quirky Landmarks

A 70-foot-long, 15-foot-high downtown alley walled entirely in chewed bubblegum — California's only proclaimed gum wall and one of the strangest free roadside attractions in the country. Free to walk through, photograph, or contribute to. Tucked off Higuera Street between Broad and Garden in the heart of downtown SLO.

Address: Higuera St (between Broad & Garden), San Luis Obispo, CA 93401

Tip: Bring your own gum if you want to add to the wall — or buy a gumball at nearby SLO Sweets or Rocket Fizz. Best photographed in afternoon light when the colors pop.

History & Architecture

The fifth of California's 21 historic Spanish missions, founded in 1772 and the only mission with continuously open doors year-round. The chapel, the small museum, and the surrounding Mission Plaza along SLO Creek are all free — no admission charged, donations gratefully accepted. One of the most peaceful and least commercialized of the missions.

Address: 751 Palm St, San Luis Obispo, CA 93401

Tip: Free guided docent tours run daily — check missionslodocents.org for the schedule. Combine with a walk along the adjacent Mission Plaza and SLO Creek Walk for an easy free hour downtown.

Markets & Food

Every Thursday evening, five blocks of downtown Higuera Street are closed to traffic for one of the most beloved free street events on the Central Coast — local farmers, food trucks, live bands, BBQ pits, and crafts fill the street from 6pm to 9pm (March–October) or 6pm to 8:30pm (November–February). Free to attend; you only pay for what you eat or buy.

Address: Higuera St (between Osos & Nipomo), San Luis Obispo, CA 93401

Tip: Cheapest dinner in town: graze a $5 BBQ plate from the Mo's pit for an unbeatable budget meal under the live music. Park free a few blocks away and walk in.

Hiking & Outdoors

A free 4-mile round-trip hike up the tallest of SLO's iconic Nine Sisters volcanic peaks. The trail climbs through oak woodland to a rocky 1,500-foot summit with panoramic views over the city, the Central Coast hills, and on a clear day the Pacific. No fees, no permits, no shuttle — just lace up and go. One of the best free hikes in California.

Address: Patricia Dr trailhead, San Luis Obispo, CA 93405

Tip: Three trailheads exist — Patricia Drive (4.0 mi RT, 1,175 ft gain) is the most popular. Open dawn to dusk. Bring water and sun protection — there's no shade on the upper switchbacks.