swing bridge over the kohaihai river at the start of the heaphy track, new zealand

footbridge river wooden sunny heaphy track kahurangi national park aotearoa zealand south island great walk walking outdoors scenic hiking hike forest hills landscape tramping trekking trees travel nature kiwi trail dept conservation region doc cabbage karamea west coast mountain bike mtb swing bridge swingbridge foorbridge tannin brown stained kohaihai kahaihai start tannins