Ryan Observatory at Muddy Run

Open House

Saturday, July 11, 2026

Event

Information for Visitors

Location Details

Ryan Observatory at Muddy Run
172 Bethesda Church Road West
Holtwood, PA 17532
(click to get directions)
check weather forecast

UPCOMING EVENTS

Sat 4/11/2026
7 p.m. - 10 p.m. Eastern 		Open House Ryan Observatory at Muddy Run
172 Bethesda Church Road West Holtwood, PA
Sat 5/9/2026
7 p.m. - 10 p.m. Eastern 		Open House Ryan Observatory at Muddy Run
172 Bethesda Church Road West Holtwood, PA
Sat 6/13/2026
7 p.m. - 10 p.m. Eastern 		Open House Ryan Observatory at Muddy Run
172 Bethesda Church Road West Holtwood, PA
Sat 7/11/2026
7 p.m. - 10 p.m. Eastern 		Open House Ryan Observatory at Muddy Run
172 Bethesda Church Road West Holtwood, PA