Dave Moore Nature Area - Nature trails, many wheelchair-accessible, picnic area. Historic remnants from gold rush. Walking access to shaded swimming hole on the South Fork of the American River. (No boat launches.) - http://www.blm.gov/ca/st/en/fo/folsom/dmna.html
River and Rock Adventures - Offers whitewater rafting, kayaking, and rock climbing adventures in Northern California for beginners to experienced thrill seekers. - http://www.riverandrockadventures.com