San luis obispo gum wall address

Tourist attraction in San Luis Obispo, CA

Bubblegum Alley is a tourist attraction in downtown San Luis Obispo, California, known for its accumulation of used bubble gum on the walls of an alley.^[1] It is a 15-foot (4.6 m) high and 70-foot (21 m) long alley lined with chewed gum left by passers-by.

It covers a stretch of 20 meters in the 700 block of Higuera Street in downtown San Luis Obispo.^[1][2]

History

According to the San Luis Obispo Chamber of Commerce and Downtown Business Improvement Association (BIA), the origin of the gum is "a little sketchy".^[3] Some historians believe that the tradition of the alley started after WWII as a San Luis Obispo High School graduating class event.^[4] Others believe it started in the late 1950s, as the rivalry between San Luis Obispo High School and California Polytechnic State University (Cal Poly) students.^[3] By the 1970s, Bubblegum Alley