Since 2010 Royal Gorge Zip Line Tours has become the #1 rated zip line tour in the State. In 2012 we then built the next step in zip line tours. The Extreme Zip Line Tour. This tour still ranks as one of the fastest and best tours in the Nation. This takes us to 2015 where we are excited to begin a new World Class Zip Line tour in Castle Rock, Colorado at Phillip S. Miller Park!