en.wikipedia.org/wiki/Alphorn

The alphorn or alpenhorn or alpine horn is a labrophone, consisting of a straight several-meter-long wooden natural horn of conical bore, with a wooden cup- shaped mouthpiece. It is used by mountain dwellers in the Swiss Alps, Austrian Alps, Bavarian ...

en.wikipedia.org/wiki/Pyramidal_peak

A pyramidal peak, sometimes called a glacial horn in extreme cases, is an angular, sharply pointed mountain peak which results from the cirque erosion due to ...

en.wikipedia.org/wiki/Matterhorn

The Matterhorn is a mountain of the Alps, straddling the main watershed and border between Switzerland ...

www.ask.com/youtube?q=Mountain+Horn&v=hw-_vJvAGlk
Jun 11, 2008 ... Alps Horn performance at Gornergrat (Zermatt, Switzerland) with cloud-lingering Matterhorn as background.
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Aug 17, 2017 ... Once a year, the world's top alpine horn musicians gather high in the Swiss Alps to compete for a special honor. The Valais Drink Pure Festival ...
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Jun 10, 2007 ... Alpine Horn Band at the TLMI International Assemblies in Thun, Switzerland, June 2007.
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Jul 29, 2014 ... More than 3000 people climbed Switzerland's Mount Tracouet for the world's largest alp-horn festival. The traditional instrument, orignally used ...

www.nationalgeographic.org/photo/glacier-pinetrees-743-61033

Photo: Glacier on mountain surrounded by pine trees.

nsidc.org/cryosphere/glaciers/gallery/aretes.html

An arête is a thin, crest of rock left after two adjacent glaciers have worn a steep ridge into the rock. A horn results when glaciers erode three or more arêtes, ...