Crocfluence EarthCache
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This is a relatively easy earthcache in the Nelspruit Botanical
Garden. The co-ords will take you to the confluence of two very
important rivers in the Nelspruit/Lowveld Area.
Confluence, in geography, describes the meeting of two or more
bodies of water. It usually refers to the point where a tributary
joins a more major river, called the mainstem, when that major
river is also the highest order stream in the drainage basin.
The Botanical garden sits astride the Crocodile River where it has
cut down into the granite bedrock to form a narrow gorge. At the
Nels River viewpoint you can view the confluence of the Crocodile
and Nels River, where both rivers tumble over waterfalls within the
Garden.
The great Nelspruit cascades, which are a bit higher up from the
confluence, are a spectacular sight when in full flow. The
Crocodile River flows through the Nelspruit industrial area, the
Lowveld agricultural area and the Kruger National Park. Providing a
vital lifegiving force to all along the river.
At the cascades a little higher up from the confluence there are
some large natural potholes in which a large amount of almost
perfectly round pebbles are formed through erosion and the swirling
motion of the water. In times of flood and heavy rain some of the
pebbles are washed out of the potholes and end up in the cracks,
crevases and pools above the Confluence. The cliff's formed by the
rivers flow are also quite magnificent.
In order to claim a find here you need to meet the following
requirements:
1) Find a nearly perfect round pebble and photograph it next to
your GPSr, then mail it to me.
2) At the cascades above the confluence there is a huge pothole,
e-mail me your estimate of how wide it is.
Additional Hints
(No hints available.)