City fire restrictions are lifted as of 6 Jan 2023.
County fire restrictions are lifted as of 6 Jan 2023.
Second Saturday Peyton launches are allowed at land owner's discretion.
Follow the links above to verify current status.
Fourth Saturday launches at Challenger Middle School are CANCELLED.
Stay tuned for additional information.
Spring Fling! A joint launch with Tripoli Colorado high power rocket club
Saturday, 20 May 2023, 9:00am - 3:00pm
Go to the Rocktivities page for directions to the Hartsel launch site.
COSROCS Monthly Meeting and Summer Cookout!
(Yes, it's a month early this year...)
Wednesday, 7 June 2023, 6:00 - 9:00pm
See the announcement on the COSROCS Calendar for directions.
ALWAYS check this page for any last-minute updates before proceeding to a launch site!
COSROCS Needs Volunteers! No prior experience is required.
We have a very busy outreach schedule, as usual. Help is needed for classroom build sessions and
launch range operations.
Check the club calendar on our NAR Groups forum.