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Back to Flagstaff Mountain

Ontario (Upper)

UT

Historical data for the Ontario (Upper) trail at Deer Valley.

Current Status

Groomed

Difficulty

Green

Section

Flagstaff Mountain

Status Timeline

Current Season

11/14/202512/24/2025

Prior Seasons

11/29/20244/6/2025
12/14/20234/28/2024
Snowfall(215 days)
Closed(3)
Groomed(1)

Recent Changes

Dec 24, 2025, 07:00 AMLatest
Closed→Groomed
Oct 26, 2025, 10:30 PM
Closed

Statistics

Trail Season Length85 days

Number of Days in Each State

Closed
58 days
Open
0 days
Hold
0 days
Groomed
85 days
Unknown
0 days