Heavy rain swept through an area, causing flash flooding that stranded visitors. Eleven people became trapped as a result of the flooding. The incident occurred at a national park known for its iconic status.

The park in question is Bryce Canyon National Park, which is located in Utah. Visitors were caught off guard by the sudden flash flooding. Further details about the incident are available from the source, including any updates on the status of the stranded visitors and the park's response to the flooding.