 Talon is a 135 @-@ foot ( 41 m ) steel inverted roller coaster at Dorney Park & Wildwater Kingdom in South Whitehall Township , Pennsylvania , United States . It features 4 inversions and close to the ground encounters . Designed by Bolliger & Mabillard , Talon was known to be one of the longest inverted roller coasters in the Northeast when it opened in 2001 . Unlike many roller coasters , Talon 's track is filled with sand to reduce the noise made by the trains . 
