Shifen Waterfall

Where it sits. Shifen Waterfall sits on the upper Keelung River in Pingxi District, in the forested hill country of New Taipei City about 45 kilometres east of Taipei. The setting is a narrow, humid valley of sandstone and shale, hemmed in by camphor and banyan and cut by the single-track Pingxi branch railway, which threads the gorge from Sandiaoling to Jingtong. The fall itself is a curtain type: water spreads across the full width of the riverbed and drops in one sheet rather than a jet. It measures roughly 20 metres high and around 40 metres across, which makes it the widest waterfall in Taiwan, and its horseshoe plan and heavy spray have earned it the standing local nickname of Taiwan's little Niagara. The comparison is generous on scale and fair on shape.

How it formed. The Keelung River here runs over a tilted sequence of sedimentary rock. Hard, coarse sandstone caps softer shale beneath, and where the river reaches the edge of the resistant layer the softer rock underneath is undercut and washed out, so the lip collapses backwards over time. That is a classic cuesta-and-cap-rock arrangement, and it is why the drop is a clean vertical step rather than a slope. The same geology produces the potholes upstream, where pebbles trapped in eddies have drilled cylindrical hollows into the bed, and the Eyeglass Cave Waterfall a short walk downstream, so named because the river has punched two round openings side by side through a rock wall. In heavy summer rain the whole width runs brown and the spray reaches the viewing decks; in a dry February the curtain narrows to ribbons and the plunge pool turns a clear jade green.

The coal that built the railway. None of this would be easy to reach without the Pingxi Line, which exists because of coal, not scenery. The 12.9-kilometre branch was built in the early 1920s by a private mining company to bring coal out of the Pingxi seams, and Taiwan's railway administration took it over at the end of that decade and opened it to passengers. The mines are long closed, and the line survived on tourism instead. It is now one of the most-ridden branch lines in Taiwan, worked by small diesel railcars, with a day pass that lets you get off at every station along the valley.

What you actually see today. The waterfall park is reached by a walking route from Shifen station of roughly one and a half kilometres, crossing the river on suspension footbridges hung above the gorge. Inside the park a loop of boardwalk and stone steps leads to several viewing platforms: one head-on across the plunge pool, one from above the lip, and one at pool level where the noise and the water dust are constant. There is a rainbow on the spray most sunny mornings. The park was privately run and charged admission for years, closed in 2013 amid a dispute over management, and reopened under New Taipei City control, since which time entry has been free. Facilities are modest: toilets, a small visitor building, a couple of snack stands, and a suspension bridge that sways enough to unsettle some people.

Shifen Old Street. The other half of the visit is the village itself, where the shops crowd so close to the tracks that the platform edge is effectively the pavement. Sky lanterns are launched from between the rails: you buy a paper lantern in one of four colours, brush your wishes on its four panels with ink, and the shopkeeper lights the fuel cell and films the release. Trains come through roughly every half hour, a bell rings, everyone steps back a metre, and the carriages pass close enough to touch. It is theatre, it is commercial, and it is also genuinely the most atmospheric thing in the valley after dark. The litter problem this creates is real and openly debated in Taiwan; several operators now sell lanterns made from paper and bamboo that degrade faster, and collection teams sweep the hills.

Getting there and timing. From Taipei, take a train to Ruifang, change to the Pingxi Line and ride to Shifen; the whole trip runs about 90 minutes. Buses also run from Muzha and Ruifang. Flow is heaviest from May through October, when afternoon thunderstorms feed the river; typhoon days close the park outright. Weekday mornings are calm, weekend afternoons are shoulder to shoulder on the tracks. The riverside boardwalk has steps and ramps in awkward combination, so wheelchair users can reach some viewpoints but not the lower pool.