One of the things the backcountry of San Diego is not known for is an abundance of lakes due to the arid climate of Southern California. But, just because such spots are not common, does not mean they do not exist, as the Water of the Woods, Sheperd’s Pond, and some other spots demonstrate. The easiest backcountry lake to hike to in San Diego is Upper Otay Lake; which is also somewhat of a secret location as it is overshadowed by its larger brother, Lower Otay Lake. Both of these man-made lakes are found in the Otay Valley, and were constructed in 1897 (and rebuilt in 1918), and 1959 respectively. While Lower Otay Lake is extremely visible as it occupies most of the Otay Valley, and is accessible by car at numerous locations, Upper Otay Lake is hidden in plain sight behind the Upper Otay Reservoir, and is accessible by a short hike.