 Prior to the Konkan Railways this was the only way one could have reached Goa via rail.The 26 km section of ghats starts at Castle Rock in Karnataka and ends at Kulem in Goa and has 3 stations en route - Caranzol, Doodhsagar and Sonaulim.Both the uphill as well as the downhill trains have commercial halts at Castle Rock and Kulem which also serve as the stations for attachment and detachment of brakes.