Arapahoe Basin Ski Area announced Thursday that it will add three days at Monarch Mountain to its season pass, according to a news release.
Monarch season passholders also will get three days at A-Basin.
In the past week, A-Basin also has announced that it has joined Ikon Pass and The Mountain Collective pass.
The additional days at Monarch are the final changes to passes for the 2019-20 season, ski area spokeswoman Katherine Fuller wrote in an email.