[1] The hot springs system is located in the foothills of Mount Unzen Volcano.

[3] Its location near the seashore allows one to see the sun setting, which makes it a popular place to visit in the evenings.

The onsen has about 20 stores and restaurants nearby, serving everything from Western style food to sushi, alcoholic beverages, and interpretations of the Obama Chanpon.

[citation needed] Additionally, Obama Onsen is famous for its Yu Senpei, a thin round crackers made using flour, eggs, sugar and hot spring water.

[7] Due to the high sulfur concentration in the hot spring water in Unzen area other than Obama, The Yu Senpei became a local specialty.