Lilydale lies within Yarra Ranges, Victoria. The population runs to roughly 17,348. Closest first: 9.4 km out stands Sugarloaf Reservoir, 11.7 km out stands Silvan Reservoir to the south-east, 15.4 km out stands Yellingbo Lake, 20.6 km out stands Cogley Lake to the south-west then 20.7 km out stands Sutton Lake.