According to a spokesperson for the venue, [the fan] slid down a 40-ft drop into the Geyser Brook Gorge while trying to sneak in. Authorities have said he was intoxicated at the time and was only slightly injured in the fall. He was taken to Albany Medical Center Hospital and treated for cuts and bruises.
Rescuers had to use a basket to get him out of the gorge.
Some exclusive footage of the fall:
And the rescue operation: