Monarch Grove Sanctuary
| Monarch Grove Sanctuary | |
|---|---|
IUCN category IV (habitat/species management area) | |
A monarch butterfly at the sanctuary | |
| Location | 250 Ridge Rd, Pacific Grove, CA 93950 |
| Coordinates | 36°37′35″N 121°55′51″W / 36.6264°N 121.9307°W |
| Area | 2.696 acres (1.091 ha) |
| Established | 1992 |
| Governing body | City of Pacific Grove |
The Monarch Grove Sanctuary is an urban nature preserve in Pacific Grove, California. It protects the monarch butterflies that overwinter each year in Pacific Grove after migrating there and arriving in October. A volunteer crew maintains the sanctuary. About 12–16,000 butterflies stayed at the sanctuary during the 2022-23 winter, making it the fourth largest of its type in California.