Hernando de Alarcón was a Spanish explorer and navigator of the 16th century, noted for having led a 1540 expedition to the Colorado River Delta, during which he became one of the first Europeans to ascend the Colorado River from its mouth and became the first European to see Alta California.
- Occupation
- explorer, conquistador
- Citizenship
- Spain
- Born
- 1500
- Died
- 1542, 1541
