275 - Castlecrag to Chatswood Read more about 275 - Castlecrag to Chatswood Region North Shore and West Route number 275 Route name Castlecrag to Chatswood Tinfo route timetable url https://transportnsw.info/routes/details/sydney-buses-network/275/27275 Suburbs Castlecrag Chatswood Middle Cove North Willoughby Sydney Willougbhy East