View data as of
Back to Valley

Thunderbird

PA

Historical data for the Thunderbird trail at Hidden Valley.

Current Status

Unknown

Difficulty

Black

Section

Valley

Status Timeline

Current Season

12/13/20254/23/2026

Prior Seasons

12/14/20243/21/2025
12/22/20233/16/2024
Closed(27)
Open(20)
Groomed(33)
Unknown(2)

Recent Changes

Apr 23, 2026, 12:56 AMLatest
Closed→Unknown
Mar 8, 2026, 10:32 PM
Groomed→Closed
Mar 7, 2026, 08:00 PM
Closed→Groomed
Mar 7, 2026, 04:30 PM
Groomed→Closed
Mar 6, 2026, 06:30 PM
Closed→Groomed
Mar 2, 2026, 06:00 PM
Groomed→Closed
Dec 29, 2025, 07:30 PM
Closed→Groomed
Dec 29, 2025, 04:00 PM
Groomed→Closed
Dec 18, 2025, 06:30 PM
Closed→Groomed
Dec 14, 2025, 06:30 PM
Closed

Statistics

Trail Season Length86 days

Number of Days in Each State

Closed
57 days
Open
0 days
Hold
0 days
Groomed
77 days
Unknown
118 days