Rock Bridge is a fairly easy 1.4-mile loop that leads to a natural rock bridge (get its name now?) and a fairly large waterfall. It is the only rock bridge in the Gorge that actually spans running water, as it stretches over Swift Camp Creek. Rock Bridge Arch is what is known as a waterfall arch, where a waterfall cut through less-resistant rock, leaving the arch behind. Rock Bridge is also unique because it is composed of limestone rather than sandstone like most of the arches in the Gorge.
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