Kerala's Coastal Rail Journey: What to See from the Window

The Konkan-to-Kanyakumari line threads Kerala's backwaters, bridges and beaches in one long, unhurried window seat — here is how to time it and where to stop.

The stretch south of Ernakulam: backwaters without a boat

The most photographed section of Kerala's coastal railway runs between Ernakulam Junction and Alappuzha, roughly 55 km and a little over an hour on most southbound services. Sit on the right-hand side heading south: the line crosses a string of narrow bridges over the Vembanad backwaters, passing paddy fields, Chinese fishing nets and the ferry jetties around Kumbalangi. Morning departures between about 6 and 9 am give the best light; by late afternoon the water glare flattens photographs. Second-class reserved is perfectly comfortable here, and the windows open, which matters more than air conditioning on this leg.

Alappuzha itself is worth more than a pass-through. The town's beach, lighthouse and the canal-side lanes behind the boat jetty give you a half-day without committing to an overnight houseboat. If you want the backwater experience but not the price of a full cruise, the public ferry to Kottayam takes around two and a half hours and costs a fraction of a private boat. Book a hotel within walking distance of Alappuzha's boat jetty if you plan the ferry, and further south near the beach if you would rather have the sea. February to March is the sweet spot: hot, but dry and breezy.

Kollam to Thiruvananthapuram: the Ashtamudi and the palm-lined run

South of Kollam the railway hugs Ashtamudi Lake before turning inland through coconut country. The 70 km to Thiruvananthapuram Central takes roughly an hour and a half on the faster expresses. Watch for the level crossings lined with rubber trees and the small stations — Karunagappalli, Kayamkulam, Varkala — each with a tea stall and a cluster of red-tiled roofs. The section near Varkala is the one to catch: the cliff and the beach appear briefly on the left before the line swings east. Varkala is the obvious place to break the journey for two nights, and it is where most travellers regret only booking one.

Thiruvananthapuram is the busiest destination on this stretch, and the rail approach into Central station — past the Challenge Bridge and the back of the Connemara market area — is unglamorous but useful, putting you ten minutes from the Padmanabhaswamy Temple and the fort area. Stay in the city centre if you want the temple, museums and day trips to Kovalam, which is a 30-40 minute drive south. The train is the sane choice here: parking around East Fort is difficult, and the station connects to most of the city by auto-rickshaw for short money. November to February is the comfortable window; the monsoon months make the coastal views grey and the sea rough.

What to skip, and how to book the seats

Skip the temptation to do the whole coast in one go. The run from Mangaluru down to Thiruvananthapuram is spectacular but takes a full day, and the best scenery arrives in short bursts between long stretches of laterite and cashew plantations. Break it at Kozhikode if you want Malabar food, at Ernakulam for the backwaters, and at Varkala for the cliff. Also skip the unreserved general compartments on long legs — they are crowded and hot, and the fare difference to sleeper or chair car is small. Book on IRCTC well ahead; the popular morning expresses between Ernakulam and Thiruvananthapuram fill up several days out, especially around Onam in August or September.

Carry a light jacket for air-conditioned coaches, and keep a charged phone — signal drops for minutes at a time between Kollam and Kayamkulam. Food is best bought at the bigger stations; the cutlets and banana fritters sold on the platforms at Ernakulam and Kollam are the real thing. For hotels, base yourself for two nights in Fort Kochi or Ernakulam, two in Alappuzha, and three in Thiruvananthapuram, which gives you a comfortable margin for day trips without repacking every morning. If you only have a week, cut Alappuzha and take the Kottayam ferry as a day trip instead.

Practicalities that make the difference

Kerala's coastal line is broad gauge and mostly double-tracked, but delays of 30-60 minutes are common on long-distance trains, so avoid tight connections to flights from Thiruvananthapuram. The station at Ernakulam Junction and Ernakulam Town serve different sides of the city — check which one your train uses before booking a hotel nearby. Fares are low by international standards, but I will not quote figures here because they change with class and season; check IRCTC when you book. Autos from the main stations are metered in theory and negotiated in practice, so agree the fare first.

Best months overall are November to February, with March still pleasant and April getting humid. The southwest monsoon from June to August brings dramatic skies but also cancellations and slippery platforms; the northeast monsoon in October mostly affects the southern districts. If you travel in monsoon, build a spare day into the schedule. Book hotels in Thiruvananthapuram early if your dates overlap with temple festival season, when city-centre rooms tighten. And keep a paper copy of your ticket — the checkers are patient but the phone battery may not be.

Questions, answered

Which side of the train has the best views?

Heading south from Ernakulam towards Alappuzha and Kollam, sit on the right for the backwater bridges; heading north, the same side works. Between Kollam and Varkala the left side catches the cliff and sea briefly.

How far ahead should I book train tickets?

Book on IRCTC as soon as your dates are fixed — a week or two ahead for popular morning expresses, longer around Onam. Rooms in Thiruvananthapuram and Varkala also tighten in December and January, so reserve hotels at the same time.

Is the coastal train suitable for families?

Yes, in reserved chair car or sleeper. Avoid unreserved coaches on long legs, carry water and snacks, and plan shorter hops of two to three hours with breaks at Alappuzha or Varkala rather than one marathon run down the coast.

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