Uvas Reservoir is an artificial lake located west of Morgan Hill, California, in the United States.

[3] The park provides limited fishing[4] ("catch-and-release"), picnicking, and hiking activities.

[5] The reservoir sits atop part of the Franciscan Formation.

A variety of rocks from the formation can be found there, including slate, basalt, marble, and many others.

It is the fifth largest reservoir owned by the Santa Clara Valley Water District.