Topsy Falls is a 37-metre waterfall tucked inside a narrow gorge on Robinson Creek, located about 3. 5 km north of Haast Pass along State Highway 6 in South Westland.

The falls are not visible from the road, though the presence of the hidden gorge is noticeable as you drive past. Parking is available roadside near the bridge over Robinson Creek.

Access is straightforward: walk a short distance along the north side of the stream into the gorge entrance, where the lower section of the falls comes into view without requiring any wading.

Those wanting a closer or higher vantage point can follow an unformed path for a better angle, or wade into the cold pool beneath the falls. Topsy Falls sits roughly 1.

5 km south of the better-known Fantail Falls, making it a quieter and lesser-visited alternative along the Haast Pass corridor.