Can I visit the Blue Mountains from Sydney without a car?

Yes. Trains from Central reach Leura and Katoomba on the Blue Mountains line, and a day trip is possible if you start early. Pick one village and a small number of lookouts or walks instead of trying to cover the whole region. Leura is an easy place to pause for a cafe lunch; Katoomba is a practical base for nearby sights and local transport. Check the current train timetable, local bus connections, track notices and weather before setting off.

If you want longer walks, an unhurried meal or several villages, stay overnight. A tour or car can simplify widely spaced stops, but it is not required for a focused first visit by train. Leave enough daylight and a clear return plan, particularly in winter.