Loch Lomond is an unincorporated community in Lake County, California. It lies at an elevation of 2,818 feet (859 m). It is located on State Route 175 north of the village of Cobb; 3.5 miles (5.6 km) north of Whispering Pines. The ZIP code is 95461, which is shared with Middletown. Unofficially, and perhaps incorrectly, 95426, which belongs to neighboring Cobb, California is often used.