Opening hours of Observatory in Billywillinga, New South Wales Opening hours of Observatory in Billywillinga, New South Wales Home / New South Wales / Billywillinga / Observatory Observatory Bathurst Observatory Research Facility 6 Priors Ln, Billywillinga NSW 2795, Billywillinga, New South Wales 2795 0427 292 214 Categories of local businesses in Billywillinga Observatory Travel & Accommodation