View data as of
Stump Alley
CA
Historical data for the Stump Alley trail at Mammoth Mountain.
Status Timeline
Current Season
Snowfall(25 days)
Closed(2)
Groomed(2)
Recent Changes
Feb 20, 2026, 11:00 AMLatest
Closed→Groomed
Feb 17, 2026, 05:00 PM
Groomed→Closed
Nov 20, 2025, 07:30 AM
Closed→Groomed
Nov 7, 2025, 01:31 PM
Closed
Statistics
Trail Season Length119 days
Number of Days in Each State
Closed
15 daysOpen
0 daysHold
0 daysGroomed
116 daysUnknown
0 days