Mountains And Volcanos On Stamps

Malaysia
World Heritage Sites
April 9, 2009
Mountain Kinabalu is located at Kadamaian, Sabah. It is the highest peak of the Crocker Range in Borneo, with an elevation of 4095 m. The mountain and its surroundings are among the most important biological sites in the world.

Bolivia
Global Warming
April 20, 2010
The stamp depicts Mount Chacaltaya (elevation 5421 m) and its disappearing glacier.

New Zealand
Landscapes Definitive Issue
August 5, 2020
Mount Ngauruhoe (elevation 2291 m) is an active stratovolcano in New Zealand. It is the youngest vent in the Tongariro volcanic complex on the Central Plateau of the North Island, and first erupted about 2500 years ago.

This February 11, 1974, 2.50 sol airmail stamp (Sc #C391) of Peru depicts Misti mountain.

From wikipedia, Misti, also known as Putina, or Guagua Putina is a stratovolcano located in southern Peru near the city of Arequipa...Misti stands at 5822 meters (19,101 ft) above sea level...Its last eruption was in 1985, 198 years after its its previous documented eruption."

These two 1949 definitive stamps of the Republic of Korea depict Mt. Kumgang, or the Diamond Mountains. The 20 won value (Sc #102) was issued on July 1, 1949, and the 400 won stamp (Sc #112) was issued on October 11, 1949.

The Diamond Mountains, in the Taebaek Mountains of the Korean Peninsula's eastern side, now lie in North Korea. From nytimes.com, "No mountain in the Taebaek range is more august than Mt. Kumgang, also called Diamond Mountains: a stunning expanse of jagged granite peaks and coursing waterfalls."

El Salvador
Volcanoes
December 17, 2019
Set of five, one stamp depicts Tecapa (elevation 1593m), a complex stratovolcano in east-central El Salvador. Its caldera was formed during the eruption nearly 10000 years ago.

Here is the 5c value from Mauritius's 1954 QEII pictorial definitive series. Rempart Mountain (elevation 777 meters/2549 ft) is depicted.

From wikipedia, "Rempart Mountain is a mountain near Tamarin in the western Mauritius district of Riviere Noire."