| Lake Martha | |
| Location: | Kings Canyon National Park, Fresno County, California, US |
| Coords: | 37.0944°N -118.7383°W |
| Outflow: | South Fork San Joaquin River |
| Basin Countries: | United States of America |
| Elevation: | 11010feet |
| Pushpin Map: | California#USA |
| Pushpin Map Alt: | Location of Martha Lake in California, USA. |
| Reference: | [1] |
Lake Martha is a lake in Kings Canyon National Park, on the Le Conte Divide, 1miles north of Mount Reinstein and 1.2miles southwest of Mount Goddard.[1] Lake Martha is notable for being the source of the south fork of the San Joaquin River. It is also on the easiest route to Hell for Sure Pass.[2] Due to its elevation, it can be completely frozen at high summer (August).[2]