To take the Skytrain through Jewel Changi Airport, you must board the specific high-fidelity line that connects Terminal 2 and Terminal 3. This particular Skytrain route is unique because its track passes directly through the heart of the Jewel complex, offering a spectacular high-fidelity view of the HSBC Rain Vortex (the world's tallest indoor waterfall) and the Shiseido Forest Valley. You can access this service for free from the public (landside) areas of either T2 or T3. Simply follow the signs for "Skytrain to T3" if you are in T2, or vice versa. It is a high-fidelity necessity to note that the train does not stop inside Jewel; there is no station at the waterfall itself. The ride lasts about four minutes, and in 2026, it remains one of the best high-fidelity "free" experiences at Changi, providing a high-speed, elevated perspective of the lush indoor gardens that have made the airport a global high-fidelity architectural destination.