The Gullfoss Crack is not an isolated chasm; it is a visible part of the , an extension of the Mid-Atlantic Ridge. Here, the North American tectonic plate and the Eurasian tectonic plate are diverging at an average rate of about 2.5 centimeters (1 inch) per year. The "crack" at Gullfoss is a graben —a depressed block of land that has sunk down between two parallel faults. While the famous Almannagjá fault at Þingvellir is the most celebrated example of this rifting, the Gullfoss Crack is arguably its most dramatic hydraulic expression.
However, locals and adventure guides often use the term to describe a specific on the eastern bank of the river. From this vantage point, you stand directly beside the chasm where the river accelerates before its final plunge. You are, in essence, standing on a crack that leads directly into the abyss. Gullfoss Crack
This path is unmaintained, often icy, and requires sure footing. There are no guardrails. Do not attempt this in winter without crampons and a guide. The Gullfoss Crack is not an isolated chasm;