The telling of this river trip skillfully winds through information on the environment, development threats, and the poignant knowledge that this is near where the Exxon Valdez ran aground. We’re given the personalities of the rafting group and of the river itself, brought close-in to the richness of the experience. The producer confesses his fear of what he aptly calls eco-mysticism, but even if you feel the piece veers toward those shores, the joy and wonder of the rafters grabs you. And I ask, who can resist the sound of rushing water? sl