This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Mammoth Resorts, the company the runs four of California’s most popular ski resorts, has agreed to be acquired by a Colorado partnership, further consolidating control of the nation’s ski slopes into the hands of a few major developers.

The partnership of Colorado-based Aspen Skiing Co. and KSL Capital Partners, a private equity firm, is buying Mammoth Resorts, which operates Mammoth Mountain and June Mountain in the Eastern Sierra, and took over Bear Mountain and Snow Summit in the San Bernardino Mountains in 2014.

The terms of the deal, to be completed by fall, were not disclosed.

The partnership, which was formed this week, will operate 12 resorts that attract about 7 million skiers a year, with Mammoth Mountain as the biggest resort. The Mammoth resorts in California draw about 2 million visitors a year to more than 4,000 skiable acres.

Read the full story on LATimes.com.