Sierra-at-Tahoe is a ski and snowboard resort in Twin Bridges, California to the south of Lake Tahoe. Sierra-at-Tahoe is approximately 16 miles (26 km) south of Stateline, Nevada and South Lake Tahoe on Highway 50 and is contained within the Eldorado National Forest. Sierra-at-Tahoe (often shortened to "Sierra") is a medium sized ski area in the Lake Tahoe region, and is well known for being a more family oriented resort and also having a high annual snowfall. Sierra-at-Tahoe's terrain is 25% Beginner, 50% Intermediate and 25% Advanced.