Largest lakes & reservoirs in Inland Empire Region, CA by acres
There is no widely-accepted minimum surface area that defines a lake. What LakeLubbers describes as a lake, you might call a pond. Acreage of a lake (or sometimes square kilometers) is most often measured at the top surface area when the lake is at normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America’s Lake Superior is the world’s largest freshwater lake by this measure.The other measure of a lake’s size is the lake’s water volume. By that measure, the world’s largest freshwater lake is Lake Baikal in Siberia.
You can find many of the world’s largest lakes (acres) on LakeLubbers in the comparison table below. Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so you may see fewer lakes than the total 7 articles we have published for Inland Empire Region, CA lakes.
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Below are lakes within USA > US West Region > California > Inland Empire Region, CA > Compared by surface area in acres. This list does not represent all lakes in Inland Empire Region, CA, only the 7 Inland Empire Region, CA lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Diamond Valley Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
4,500 ac | Also known as Diamond Valley Reservoir Diamond Valley Lake lies between two mountains in California’s Inland Empire tourism region. The 4,500-acre lake is Southern California’s newest and l… |
| Lake Elsinore, CA (California, Inland Empire Region, CA, US West Region, USA) |
3,300 ac | Cradled at the foot of the Ortega Mountains and at the entrance to the Cleveland National Forest, Lake Elsinore enjoys an ideal location. At about 3,3… |
| Big Bear Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
2,971 ac | Located just 100 miles from Los Angeles but wrapped in an entirely different environment, Big Bear Lake is both convenient and escapist. Surrounded by… |
| Silverwood Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
980 ac | Also known as Lake Silverwood Rimmed with live oak, manzanita, and mountain mahogany and set against the backdrop of the snow-capped San Bernardino Mountains, Silverwood Lake is an… |
| Lake Arrowhead, CA (California, Inland Empire Region, CA, US West Region, USA) |
784 ac | Also known as Little Bear Lake In 1891 a group of Ohio businessmen formed a company to construct a reservoir to provide water to irrigate the southern California lowlands. Lake Arro… |
| Lake Hemet (California, Inland Empire Region, CA, US West Region, USA) |
470 ac | Also known as Lake Hemet Reservoir Not far from the famed San Jacinto Peak in California’s Inland Empire, Lake Hemet Reservoir offers plenty of nature-focused recreation to lucky visito… |
| Lake Gregory, CA (California, Inland Empire Region, CA, US West Region, USA) |
86 ac | Also known as Lake Gregory Regional Park Lake Gregory is a recreational retreat situated almost 5,000 feet above sea level in the San Bernardino Mountains of Southern California. Surrounded b… |