Boulder Creek is a 5 mile long tributary stream of Myer Creek in Imperial County, California. It has its source at 32°37′39″N 116°05′59″W / 32.62750°N 116.09972°W. The mouth of Boulder Creek is at its confluence with Myer Creek at an elevation of 1,775 feet / 541 meters in In-Ko-Pah Gorge.
Coordinates: 32°39′18″N 116°11′25″W / 32.65500°N 116.19028°W