Yes, Lake Tahoe is known for its mountains, wildlife, resorts, and more than 871,000 acres of trees, but let’s face it—Tahoe is a worldwide destination for its big blue beautiful body of water that’s 12 miles wide, 22 miles long, and 72 miles around. This fact draws swimmers, boaters, jet-skiers, and others to plunge into its chilly waters when the sun is shining the brightest.