Royal Gorge, Cañon City, Fremont County, Colorado, USA: Royal Gorge Bridge, one of the tallest bridges in the world. The suspension bridge crosses the white-waters of the Arkansas River over the Royal Gorge at a height of 291 meters. It was the tallest bridge in the world from the time it was completed in 1929 until the Liuguanghe Bridge opened in 2001. The gorge begins at the mouth of Grape Creek, west of Cañon City and continues in a west-northwest direction for almost ten kilometers towards US Route 50. It is up to 380 meters deep and very narrow, at the bottom of the valley, the royal gorge is only about 15 meters wide, while its upper opening is a little more than 90 meters wide. It lies between Fremont Peak in the north and YMCA Mountain in the south.