The Butte Creek Tributary is a popular river run located in Northern California. The ideal streamflow range for this river is between 200 and 500 cfs, with the best time to go being in the Spring when the snowmelt provides the most consistent flow.

This river is rated as a class III-IV, with some portions reaching class V during high water. The segment mileage is around 9.5 miles, starting at the Butte Creek Picnic Grounds and ending at the covered bridge in the town of Chico.

The river features several rapids and obstacles, including the Entrance Rapid, Son of Entrance Rapid, and the infamous Hell Hole. The Entrance Rapid is a class IV rapid that requires precise navigation, while the Hell Hole is a class V rapid that requires advanced skills and experience.

In terms of regulations, there are no specific regulations for this area. However, it is important to note that the river runs through private property, so it is important to respect the rights of the landowners and obtain permission before accessing the river.

Overall, the Butte Creek Tributary is a challenging and exciting river run that requires skill and experience. It is important to be aware of the ideal streamflow range, class rating, segment mileage, obstacles, and regulations before embarking on this adventure.