On a recent trip up to Karamea on the west coast of the South Island, I went to visit the Oparara Caves. These are a few kilometers inland, and not far from the end of the Heaphy Track. They are an amazing example of limestone erosion… Huge archways have been cut through the limestone by […]
Oparara Limestone Arches Read More »
Takaka limestone landscape On a recent trip up Takaka Hill near Nelson, I went exploring over the limestone landscape with my daughter Sophie (with permission from the landowner). The area is riddled with sink holes and caves. The most well known is Harwood’s Hole – a huge vertical shaft about 50 metres across and over
Caves and Moa Bones Read More »
See the video of our visit to White Island: Here’s a bit more about what we did during our day on there: Karen and Agnes set off with their water monitoring equipment, whilst Brad, Steve and I started the elevation survey, measuring height differences between an extended series of fixed points that had been marked