Sunset at the end of day 3 backpacking into the Paria Wilderness, now in the middle of the canyon as it begins to widen, and just opposite Shower Spring, Paria Canyon, Arizona. The spring is across the river, and ensconced in a deep thicket of willows, that are themselves rooted in thigh-deep, cold spring water. The water tumbles into recessed alcoves as the delicious moisture sheets from a crevice and down the rocks of the canyon walls. Standing in the deep, cold pool and drinking in the…