Lady Franklin Lake, located in Mineral King, California, is a privately owned reservoir with a primary purpose of water supply. Built in 1905, this gravity dam stands at a height of 21 feet and has a storage capacity of 467 acre-feet. The dam is regulated by the Department of Water Resources and is subject to regular inspections to ensure its structural integrity.

The lake is situated on the Efk Kaweah River, with a drainage area of 1.3 square miles and a surface area of 30 acres. Despite its low hazard potential, the dam is maintained in satisfactory condition, as reported during the last assessment in September 2017. The dam has not undergone any significant modifications since its completion, reflecting its historical significance in providing water resources to the surrounding area.

With its tranquil surroundings and historical significance, Lady Franklin Lake serves as a vital water supply source for the region. Climate and water enthusiasts can appreciate the engineering marvel of this gravity dam, which continues to play a crucial role in water management and conservation efforts in Tulare County, California.