Antelope Creek is a whitewater river run located in the state of Oregon. The ideal streamflow range for this river run is between 500 and 2000 cubic feet per second (cfs). This streamflow range provides the best conditions for experienced paddlers to navigate the river and its obstacles.

The class rating for Antelope Creek is Class III-IV, which means that the rapids are moderately difficult and require advanced paddling skills. This river run spans about 4.5 miles, with the most challenging section being the uppermost one.

There are several significant rapids and obstacles on Antelope Creek, including the "Muncher" and "Pinball" rapids. The "Muncher" rapid is a Class IV rapid that requires precise maneuvering through a narrow channel with a steep drop. The "Pinball" rapid is a Class III rapid that features multiple boulder obstacles that require careful navigation.

Specific regulations to the area include a permit requirement to launch a boat. Permits can be obtained through the Bureau of Land Management's Prineville District Office. Additionally, all boaters must comply with the "Leave No Trace" policy to preserve the natural environment and wildlife in the area.

Overall, Antelope Creek is a challenging and exciting river run for experienced paddlers looking for an adventure in the beautiful state of Oregon.