Lost Horse Valley is a valley in

Joshua Tree National Park Joshua Tree National Park is an American national park in southeastern California, east of San Bernardino and Los Angeles and north of Palm Springs. It is named after the Joshua trees (''Yucca brevifolia'') native to the Mojave Desert. Origin ...

.Lost Horse Mine, Joshua Tree National Park, National Park Service
/ref> It has been called "the centerpiece of the park" because of the quality of its stands of

Joshua tree ''Yucca brevifolia'' is a plant species belonging to the genus ''Yucca''. It is tree-like in habit, which is reflected in its common names: Joshua tree, yucca palm, tree yucca, and palm tree yucca. This monocotyledonous tree is native to the ar ...

s and its geological formations.A Tour of Joshua Tree National Park, About Geology, Andrew Alden
/ref> It contains the

Lost Horse Mine Lost Horse Mine is a historic gold and silver mine in the Lost Horse Valley of Joshua Tree National Park Joshua Tree National Park is an American national park in southeastern California, east of San Bernardino and Los Angeles and north of ...

, of significant historic importance in the park.

References

Joshua Tree National Park Valleys of California Valleys of Riverside County, California {{RiversideCountyCA-geo-stub