MONO COUNTY, Calif. — October 30, 2026. Mammoth Lakes has several confirmed Halloween-night outings for adults, including a town costume crawl between two venues and a live-music party. These are not children’s trick-or-treat routes; a family trip needs a different plan.
Saturday, October 31: what is actually scheduled
Mammoth Lakes Halloween Costume Crawl
When: Saturday, Oct. 31, 7:30 p.m.–midnight. Where: Clocktower Cellar (7:30–9:30 p.m.) then Lakanuki (9:30 p.m.–midnight), Mammoth Lakes.
Visit Mammoth lists a themed crawl with costume contests and prizes announced around midnight. Alcohol-serving venues have their own minimum-age rules. Source and last-minute checks.
Dos Alas Halloween Dance Party
When: Saturday, Oct. 31, starting 9 p.m.. Where: Dos Alas Cubarican Café & Lounge, Mammoth Lakes.
The tourism bureau lists a $10 cover (cash preferred), live music and a costume contest for its seventh annual Halloween party. Source and last-minute checks.
Plan your Halloween day
Choose one evening venue or the planned Clocktower-to-Lakanuki crawl. Avoid driving after drinking; Mammoth Lakes evenings can be freezing in late October. For families with children, use daytime mountain recreation and check venue hours independently rather than bringing them to late-night bars.
Sunday, November 1, and other options
A Halloween drink discount mentioned by the tourism listing applies across Oct. 30–Nov. 1 at one hotel bar, but an alcohol promotion is not a children’s or public holiday event.
Verify before traveling
The date of Halloween is Saturday, October 31, 2026. A program held on Friday, October 30, should not be mistaken for a Saturday event. Organizers may change hours, fees or locations. Confirm the latest calendar and any required booking; some tourism and community calendars aggregate submitted listings rather than manage the event themselves. Keep children’s costumes visible, use marked crossings and plan for autumn darkness. For live state-road conditions use Caltrans QuickMap.
Find Mono County’s year-round reporting. Corrections and original source documents: california58com@gmail.com.
California58 Halloween weekend guide. Organizer and community-calendar sources linked per event; research checked October 30, 2026. No unsourced parade or unverified current-hours claim is presented as confirmed.
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