The river jogs right through the trees, confluences with a creek, then jogs left again. The line is straightforward, but the creek that enters at river right (Elm Creek) can sometimes make the eddies a bit squirrelly, depending on how much water is coming out of Hueco Springs into the creek. There used to be a ledge above the creek confluence (remnants of an old dam) that was surfable at low flows, but a very localized flood on June 9, 2010 dumped 15,000 cfs into the river near this point, and the debris from that flood buried the ledge. Past the confluence of the creek, there is a small wave train at river right. At thousands of cfs, a larger wave train forms several hundred yards downstream of Slumber Falls, and this wave train is known to give up wave wheels.
At higher flows (thousands of cfs), the trees in and around Slumber Falls form strong eddies that are great for practicing attainments and ferries.