All hotels and motels are required to be smoke-free under the Colorado Clean Indoor Air Act of 2019. This guide provides a list of hotels, motels, inns, bed-and-breakfasts, ranches, cabins, and other lodges that were 100% smoke-free previously and is no longer maintained. The organization dissolved in 2026, but its websites remain open as a public resource.

The Colorado Group to Alleviate Smoking Pollution was a 501(c)(3), statewide, nonprofit organization established in 1977. Our mission was to safeguard public health by eliminating exposure to secondhand smoke in workplaces, public areas, and multiunit housing. GASP believed that no one should be subjected to breathing secondhand smoke from tobacco, marijuana, or electronic smoking devices.

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