National forests and parks in Arizona and New Mexico have already been shut down as precautions.
Once the sale is completed, Vail will own five ski resorts in Colorado: Crested Butte, Vail, Beaver Creek, Keystone and Breckenridge.
Colorado was awarded the 1976 Winter Olympics, but later said “no thanks” and the games went to Innsbruck, Austria, instead.
After a fire in March destroyed the castle's gift shop, the Bishop family is reflecting on the past and future of their father's oddball creation.
March usually brings a big seasonal bump in recreational marijuana sales to Colorado.
The maximum stay rule has been on the books since 2015, and enforcement started in late 2016.
"There's many opportunities to make this a better state, and I don't see how the Olympics fit into that," said former Gov. Dick Lamm.
The second and final online forum for public questions will be Feb. 24.
For decades, Bishop shot and sold postcards of ski areas and resort towns on the Western Slope like Aspen and Durango. He died in September in Grand Junction at age 96.
The Boulder nonprofit Leave No Trace is partnering with the state to spread its message to tourists.