The Lower Paria River, located in southern Utah, is a popular whitewater river run for experienced boaters. The ideal streamflow range for this run is between 100 to 400 cubic feet per second (cfs), with the best time to run being in the spring and early summer months when snowmelt and spring rains increase water levels.

The Lower Paria River is rated as a Class III to IV, with technical rapids and obstacles that require advanced skills and experience. The segment mileage for this run is approximately 38 miles, and the river features several notable rapids, including the popular "Mile Long Rapid," which is a Class IV rapid that spans over a mile in length.

Boaters should be aware of specific regulations in the area, including the requirement to obtain a permit from the Bureau of Land Management (BLM) before entering the Lower Paria River. Additionally, there are restrictions on camping and fire use along the river to protect the fragile desert environment.

Overall, the Lower Paria River is a challenging and scenic river run that requires advanced skills and experience to navigate safely. Boaters should always be aware of streamflow levels and regulations in the area to ensure a safe and enjoyable trip.