COSA Conference

Colorado Open Space Alliance Conference
2023 Conference: From Legacy to Lasting Impact

SOLD OUT! Sorry, the conference is sold out.

October 2-4, 2023
Viewline Resort
100 Elbert Ln, Snowmass Village, CO 81615

Presented by the Colorado Lottery and Great Outdoors Colorado.
Colorado Lotter and Greta Outdoors Colorado logos

Conference Schedule and App

View your conference schedule at or download the Sched app.

Hotel Accommodations

The Viewline Resort Snowmass is completely sold out. However, rooms are available at the beautiful Stonebridge Inn, a short walk from the conference center.

Stonebridge Inn

The Stonebridge Inn is offering a discounted nightly hotel rate of $149 for COSA conference participants or 15% off of nightly condominium rates at Tamarack Townhomes, Terracehouse Condominiums, Woodrun Place Condominiums, Top of the Village, Lichenhearth, Aspenwood, and the Villas at Snowmass Club.

For reservations call 1-844-330-1859 and ask for the COSA 2023 Group Rate. Please call between the following hours:

  • Monday – Friday: 8 a.m. – 6 p.m. (Mountain Time)
  • Saturday and Sunday: 9 a.m. – 5 p.m. (Mountain Time)

Discounted rates expire Aug. 23. Rooms are not secured until reserved by individual guests and deposit is paid. Regular deposit/cancellation policy will apply. Copies of tax exemption certificates may be required before arrival.

Other Hotels

Other hotels in the area include:


COSA is seeking sponsors for the 2023 conference! Reach open space professionals and get acknowledged in a variety of ways.

Sponsorship Details