The Pine Flats Creek to Long Gulch section of the Whitewater River Run in Idaho is a popular destination for kayakers and rafters. The ideal streamflow range for this section is between 500-1500 cfs. The section is rated as Class III-IV and covers a total distance of 9.5 miles.

The Pine Flats Creek to Long Gulch section offers several thrilling rapids, including the infamous 'Greyhound' and 'Big Butter,' which feature large waves and steep drops. The section also has some technical sections that require expert navigation skills. Obstacles such as rocks and boulders are present throughout the run, making it a challenging but exciting experience.

Kayakers and rafters are reminded to adhere to specific regulations in the area, including wearing appropriate safety gear such as helmets and life jackets. Additionally, permits are required in some areas, and visitors are encouraged to leave no trace and preserve the natural beauty of the river.

In conclusion, the Pine Flats Creek to Long Gulch section of the Whitewater River Run in Idaho offers a thrilling adventure for experienced kayakers and rafters. With its challenging rapids, technical sections, and stunning scenery, it's no wonder it's a popular destination in the state.