Overview
The history of Atami Onsen is ancient. Legend has it that about 1,500 years ago, hot water erupted from the sea, causing a mass death of fish. This led to the name "Atami," meaning "hot sea." Another legend from the Nara period tells of the monk Mangan Shonin of Hakone Shrine, who moved the undersea spring to its current location in the mountains.
During the Sengoku (Warring States) period, the shogun Tokugawa Ieyasu visited for therapeutic bathing, making Atami famous throughout Japan. Ieyasu was so fond of the waters that he had them transported to Edo Castle, a practice known as "Okumiyu" (transported hot water) that continued as an offering to the Tokugawa shoguns throughout the Edo period. From the Meiji era onward, it flourished as a high-end resort for imperial family members, politicians, and literary figures, and it continues to attract many visitors today.
Key Spring Qualities and Health Benefits
About 90% of Atami's hot springs are chloride springs, which are excellent for heat retention, and sulfate springs, which help moisturize the skin. Chloride springs are often called "netsu-no-yu" (waters of warmth) as they prevent the body from cooling down after bathing. Sulfate springs are said to help prevent arteriosclerosis and have skin-beautifying effects. Each spring has different qualities, making onsen-hopping an enjoyable activity.
- Cuts
- Poor peripheral circulation
- Sensitivity to cold
- Dry skin
- High cholesterol
- Rheumatoid arthritis
Water Characteristics and Best Season to Visit
Atami's springs have a high average temperature of over 60°C (140°F) and a plentiful flow. Many ryokans and hotels offer "gensen kakenagashi" baths, where the water flows directly from the source without added water or heating. The water is clear, colorless, and has a slightly salty taste.
With its mild climate, Atami can be enjoyed year-round. However, the best times to visit are from late January to February for the "Atami-zakura," Japan's earliest-blooming cherry blossoms, and from January to March for the Atami Plum Garden Festival. Planning a trip to coincide with the Atami Maritime Fireworks Festival, held more than 10 times a year, is also highly recommended.
Access
Facilities with Analysis Reports
No facilities with registered analysis reports in this area yet.
Facilities Without Analysis Reports
Nearby Sightseeing and Local Cuisine
- MOA Museum of Art: A scenic museum housing about 3,500 works, including National Treasures.
- Kinomiya Shrine: A spiritual spot known for its giant 2,100-year-old camphor tree (a natural monument).
- Atami Castle: Offers panoramic views of the city and Sagami Bay from its keep.
- Atami Plum Garden: Famous for Japan's earliest-blooming plums and latest-coloring autumn leaves.
- ACAO FOREST: A paradise of flowers with 13 unique themed gardens.
- Atami Maritime Fireworks Festival: A spectacular fireworks display held throughout the year.
- Fresh seafood: Splendid alfonsino (kinmedai) and dried horse mackerel (aji-no-himono) from Sagami Bay.
- Onsen Manju: Traditional steamed buns, often enjoyed fresh and hot from the shops.
References
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