Cosma-Con — Jul 25–26, 2026 in Boise, ID

Cosma-Con — Creators Creations And Fans Collide! A fanconventionmusic festival hybrid with lots of FREE interactive fan experiences, focused on Creators, Originators, Storytellers, Makers, and Artists.

Category: popculture

Dates: Jul 25–26, 2026

Location: Boise, ID

Official site: https://cosma-con.com/

Tickets: https://cosma-con.com/tickets

Plan your visit on HallPass — browse the full schedule, track your budget, plan cosplays, and coordinate meetups.