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Mushroom Fest 2026 is coming in full force!We’re talking vendors, food trucks, live music, and performances all day long, (10 am - 7 pm) basically everything you need for a perfect day out. Wander, snack, vibe, repeat.
New this year: an indoor kids game area and mini vendor shop at The Looking Glass (right next to Adventures Underground), stop by and check out our new event space!
Bring your friends, bring your family, and come celebrate all things weird, wild, and wonderfully Adventures Underground.
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Event Venue
1391 George Washington Way, Richland, WA, United States, Washington 99354
Tickets
Concerts, fests, parties, meetups - all the happenings, one place.
