The Blue Mountains are located about 80 miles (130 kilometers) northwest of Sydney, about a 90-minute drive. It’s also possible to take a train to the Blue Mountains, with stations in Wentworth Falls, Leura, Katoomba, Medlow Bath, Blackheath, Mount Victoria, and Lithgow. When to Get There The Blue Mountains can be visited year-round.

https://www.viator.com/Sydney-attractions/Blue-Mountains/d357-a290