The park ranger is played by Peter Krause, Lauren Graham's Parenthood (2010) costar and off-screen boyfriend.
The Bed & Breakfast Rory, Logan, Finn, Colin, and Robert stay in is actually the set of the Dragonfly Inn. It's been repainted, redecorated, and there is a sideboard/mirror/fake wall blocking the doorway into the Dragonfly's dining room.
When Rory ran into Dean at Doose's he mentioned that his wife Gen was pregnant. This was a nod to Jared who in real life has a wife named Genevieve and at the time of filming was also pregnant.
Emily changing her shoes into white Keds is a reference to "Dirty Dancing" in which she also starred.
The actress who plays Miss Celine (Alex Borstein) appeared as the harp player in the pilot episode of the series. She was married in real life to the actor that played Sookie's husband.