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Back to Flagstaff Mountain

Ontario (Upper)

UT

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

Current Status

Closed

Difficulty

Green

Section

Flagstaff Mountain

Status Timeline

Current Season

11/14/20253/29/2026

Prior Seasons

11/29/20244/5/2025
12/14/20234/27/2024
Snowfall(230 days)
Closed(4)
Groomed(1)
Unknown(1)

Recent Changes

Mar 29, 2026, 06:31 PMLatest
Groomed→Closed
Dec 24, 2025, 07:00 AM
Closed→Groomed
Oct 26, 2025, 10:30 PM
Closed

Statistics

Trail Season Length95 days

Number of Days in Each State

Closed
201 days
Open
0 days
Hold
0 days
Groomed
95 days
Unknown
0 days