Baula
The peculiar looking mountain Baula, with it's reddish or orange colour due to it's rhyolite rock composition, is situated in the west of Iceland next to Route 1 (the Ring Road), is a . Not far from the mountain, there are the Bifröst School of Business and the picturesque craters of Grábrók.
Geologically, the mountain is classified as an "intrusion", (or, in geologist's terms, a "batholit", which is a mass of rock which has been thrust upwards from deep within the earth, to the surface). This thrust to the surface has been estimated to have taken place about 3,5 million years ago. It characterized by its almost perfect cone and by it's little sister nearby, the Litla-Baula, the finding place of rare columnar strands of rhyolite. Many people think of the pair to be the most beautiful pair of mountains in Iceland.
Some other good examples of similar "intrusions" in Iceland, are the mountains Mælifell, in the Snæfellsnes Peninsula, the Hlíðarfjall, near lake Mývatn in the north of the country , etc.