See CMoS 8.52 | See also Capitalisation
When two or more place names with the same generic element are combined, the plural word is initial upper-cased.
the Yarra and Murray Rivers
Mts Macedon and Dandenong
Proper nouns maintain their own spelling, even where that contradicts Lonely Planet's house style.
Delacroix's Café
Mrs. Second-hand's Emporia