The Fremont River 3 (A) in Utah is a popular whitewater river run known for its stunning scenery and exciting rapids. The ideal streamflow range for this section of the river is between 200-800 cubic feet per second (cfs), which typically occurs during the spring and early summer months after snowmelt. The class rating for this run is considered class III-IV, making it a moderately difficult run suitable for intermediate to advanced paddlers.

The segment mileage for the Fremont River 3 (A) is approximately 8 miles, starting at the Singletree Campground and ending at the Thousand Lake Mountain Road. Along the way, paddlers will encounter a variety of rapids and obstacles, including the challenging "S-Turn" rapid and the technical "Box" rapid.

It's important to note that the Fremont River 3 (A) is managed by the Bureau of Land Management and there are specific regulations to follow while on the river. All paddlers are required to wear a personal flotation device (PFD) and carry a whistle. Additionally, the use of alcohol and drugs is strictly prohibited while on the river.

Overall, the Fremont River 3 (A) offers a thrilling whitewater experience for paddlers looking for a challenging run in a beautiful natural setting. It's important to always check the current streamflow and weather conditions before embarking on any river trip, and to follow all regulations to ensure a safe and enjoyable experience.