Mt. Cuba Astronomical Observatory

Mailing address:

1610 Hillside Mill Road

Wilmington, DE  19807

Phone: 302-654-6407


*to use email: replace "at" with "@"

Office Hours:  9 am - 1 pm Monday - Friday

Note: Office hours are limited due to COVID

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FOR PROGRAMS AND EVENTS:  Please do not arrive more than 15 minutes before the event time.  The gate will be closed, and parking along Hillside Mill Road is illegal.  If the gate is closed, please drive around the block and try again.