COSine 2025
Jan 24-26, 2025
Colorado Springs, CO
About COSine 2025
General SF fan-run convention with an emphasis on literature (reading/writing/publishing and science, liquid nitrogen ice cream social, panels, participatory programming, hospitality con suite, book raffle, and more.
Embassy Suites by Hilton Colorado Springs, 7290 Commerce Center Dr., Colorado Springs, CO; 719-599-9100 • Ask for the special COSine convention rate when reserving your room.
Guests of Honor
Events
- Art Auction
- Art Show
- Board Games
- Charity Auction
- Dealer Room
- Fan Panels
- Free Autographs
- Guest Panels
- Hospitality
- Pick Up Games
- Workshops
Map to COSine
7290 Commerce Center Drive, Colorado Springs, CO 80919 US
COSine 2025