Largest lakes & reservoirs in Inland Empire Region, CA by shoreline length
The length of the exterior shoreline around a lake is measured at the lake’s normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal. A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.When known, the shoreline miles that we report in our statistics include only the lake’s exterior shoreline, and exclude the shorelines of islands located within a lake’s boundaries. In lakes with many islands, those islands’ combined shorelines may exceed a lake’s exterior shoreline.
You can find many of the world’s longest-shoreline lakes on LakeLubbers. Note: For some lakes, "Longest Shorelines" data is unknown or does not apply, so this table may display 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 longest shoreline length in miles. 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  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Diamond Valley Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
26 mi | 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… |
| Big Bear Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
22 mi | Located just 100 miles from Los Angeles but wrapped in an entirely different environment, Big Bear Lake is both convenient and escapist. Surrounded by… |
| Lake Arrowhead, CA (California, Inland Empire Region, CA, US West Region, USA) |
13 mi | 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… |
| Silverwood Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
13 mi | 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 Hemet (California, Inland Empire Region, CA, US West Region, USA) |
12 mi | 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 Elsinore, CA (California, Inland Empire Region, CA, US West Region, USA) |
10 mi | 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… |