Oparara Basin Arches
NATURAL ARCH NEAR KARAMEA, NEW ZEALAND
Oparara arches; Oparara Basin Arches
The Oparara Basin Arches are a number of natural limestone tunnels formed by the Oparara River, in the Oparara Basin, New Zealand. The two most famous ones are the 'Oparara Arch', large enough for a multi-storey house, and the 'Moria Gate Arch', which is smaller in height.