T he summit is the collapsed dome of an ancient volcano that erupted with staggering force around 350 million years ago. Collapse of Ben nevis. Ben Nevis Geology. The name ‘Ben Nevis’ is derived from the Gaelic ‘Beinn Nibheis’, meaning ‘Venemous Mountain’. Ben Nevis derives its name from the Gaelic, Beinn Nibheis. Although today Ben Nevis is a pretty wet and wild part of the Scottish Highlands, this towering mountain was once sculpted by the forces of ice and fire. Ben Nevis is the highest mountain in the British Isles. The conical island of Nevis, lying across a narrow channel from St. Kitts (St. Christopher) Island, is a composite cone with overlapping summit craters. Getty Images. MONSTER: Scotland has several volcanoes hidden under mountains (Image: GETTY). Ben Nevis consists mainly of igneous rock from the Devonian period (around 400 million years ago), intruded into the surrounding metamorphic schists during a period when Ben Nevis was part of an active and massive volcano; the intrusions take the … An unnamed lava dome is located NE of the rims of the two craters. Glen Coe in the north of the country is the site of an ancient super volcano. Around 400 million years ago a huge caldera was created when the Andesite Lavas, now forming the top half of Ben Nevis, collapsed over 600m (2,000ft) into a … 10 Ben Nevis, Scotland. Standing as the highest mountain in the British Isles, Ben Nevis is located in Inverness-shire in Scotland’s Highlands. Ben is the last remains of the former Devonian volcano that became extinct 350 million years ago when it collapsed on itself. MORE: These are the safest countries in the world to visit. Ben Nevis is the final remnant of an ancient volcano; it’s peak is the collapsed dome that imploded many millions of years ago. It rises to a height of 1344m (4409 feet) and for most it is the starting point for the Three Peaks Challenge. Beinn is easy to translate it means “Mountain” (you will find a lot of the mountains in Scotland are Ben something). The mountain is all that remains of the inner dome of an enormous volcano that exploded around 350 million years ago. It’s more than twice the height of Ben Nevis, at 2,935m). Nevis Peak is a potentially active volcano which is located in the centre of the island of Nevis of the Federation of Saint Kitts and Nevis in the West Indies.The stratovolcano rises to a height of 985 metres (3,232 ft) and is the highest point on the island. Rum & Eigg Ben Nevis. Interesting facts about Ben Nevis. The great North Face of Ben Nevis is composed of a pile of andesite lavas (named after the modern Andes) which have collapsed at least 600 m on a circular fault into a large granite magma chamber, which consolidated to form the western flank of the Ben and the other mountains of Nevis Range. It lies hidden beneath serene and beautifully rugged landscapes just north of Argyll, on the border with with Lochaber. 21 Interesting Facts About Ben Nevis Ben Nevis was shaped by fire and ice.