View data as of
Round Robin
CA
Historical data for the Round Robin trail at Mammoth Mountain.
Status Timeline
Current Season
Snowfall(25 days)
Closed(2)
Groomed(2)
Recent Changes
Feb 18, 2026, 01:00 PMLatest
Closed→Groomed
Feb 17, 2026, 05:00 PM
Groomed→Closed
Dec 24, 2025, 12:00 PM
Closed→Groomed
Nov 7, 2025, 01:31 PM
Closed
Statistics
Trail Season Length85 days
Number of Days in Each State
Closed
48 daysOpen
0 daysHold
0 daysGroomed
84 daysUnknown
0 days