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Asan

Asan (아산,牙山) is a city in South Chungcheong Province in South Korea. It serves as the location of the oldest hot springs in Korea, Onyang Hot Springs. Wikivoyage

Population 319,929 (Wikidata)

Live guide From your hotel

Before you go

Emergency numbers in South Korea

Visas and entry What your passport needs for South Korea
Tourist office · 1.8 km Onyangoncheon Station Tourist Information Center

Getting there

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Through the year

  1. Asan Admiral Yi Sun-sin Festival

    April

    The Asan Admiral Yi Sun-sin Festival is a representative festival of Asan, Chungnam, held annually around the birthday of Admiral Yi Sun-sin, April 28.

    Official site

  2. Yeonginsan Azalea Festival

    April

    This festival is held annually in April on Yeonginsan Mountain. In 2025, it was held on April 19th. Various hands-on activities, such as woodworking and crafts, as well as recreational sports, are available

Annual events from Wikidata and Wikivoyage (Asan); descriptions from Wikipedia where it has one, photos from Wikimedia Commons. Dates move year to year — check before you plan around one.

Somewhere to run

Getting around

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Places © OpenStreetMap contributors, as of 9 October 2026. Description from Wikivoyage (CC BY-SA). Events from Wikidata and Wikivoyage, population from Wikidata.