In partnership with the Astronomical Society of the Pacific
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MUDDY RUN Observatory
Muddy Run Observatory is owned by Exelon Generation Co. LLC and operated by the Rittenhouse Astronomical Society, with the support of Astronomy Enthusiasts of Lancaster County and the Harford County Astronomical Society. The observatory is located within the Muddy Run Recreation Park in Southern Lancaster County (Holtwood PA). The observatory is open one night per month for public open house and stargazing opportunities . Please check the event schedule for dates and times through December 2019. The facility will host special events by appointment and will operate in conjunction with an educational program for school and other organization outings.
Are you a teacher or leader of a local group for kids? Do you want to learn more about the Muddy Run hydroelectric plant, nature, or astronomy? Contact the visitor's center to learn more about programs for kids.