Plizio Visual Lab
Kosai

ℹ️Practical info — Kosai
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🌤 Weather — 5 days
📍 Nearby
Sights nearby
💡 Tips
- Climb to the observation point behind the Sakichi Toyoda Memorial House for a view of Mt. Fuji.
- Visit the Arai Checkpoint (Arai Sekisho), the only original checkpoint building remaining from the Edo period.
- Watch the Hamanako Boat Race for a unique local sporting experience on Lake Hamana.
- Walk along the Old Tokaido Highway between the historic post towns of Arai and Shirasuka.
- Enjoy a quiet sunset over the lake at Umeda Shinsui Park near the waterfront.
🍽 Food
Grilled eel, a premier local delicacy from one of Japan's most famous eel-producing regions.
Try the legendary 'Genkotsu' hamburger steak; it is a cult favorite with long queues.
Plump and creamy oysters harvested from the lake during the winter months.
🛍 Shopping · 🧘 Quiet spots
Specializes in seaweed and eel products harvested directly from Lake Hamana.
A confectionery famous for Dorayaki pancakes branded with local Kosai designs.
A relaxing waterfront park excellent for a quiet stroll with scenic views of the lake.
A quiet part of the Old Tokaido highway with traditional architecture and a peaceful atmosphere.
Water temperature…
Kosai in Shizuoka Prefecture is strategically located between Lake Hamana and the Pacific Ocean. The city is famous for Bentenjima Beach (弁天島海水浴場), featuring a massive red torii gate standing in the water, an iconic photo spot, especially at sunset. Arai Benten Beach (新居弁天海水浴場) has excellent conditions for swimming and fishing. Historically, Kosai is significant as the birthplace of Sakichi Toyoda, the founder of the Toyota Group. The city preserves Arai Sekisho, one of the few original Edo-period border stations. For foodies, grilled eel (Unagi) is a must-try specialty from Lake Hamana. The blend of traditional history and modern waterfront leisure makes Kosai a versatile destination.
- Location: Japan
- Top sights: Ruo Ji Shen She · Qing Yuan Yuan · Tian Huang Bi Xia Yu Cheng Chuan Zhi
- Nearby: Hamamatsu (22 km)
- Population: ~59.770 (2021)
Geography
Facts
- Prefecture: Shizuoka
- Lake: Lake Hamana
- Beaches: Bentenjima & Arai Benten
- Iconic: Red torii in the water
- Personality: Sakichi Toyoda
- History: Arai Sekisho checkpoint
- Specialty: Unagi (Eel)
- Access: JR Tokaido Main Line
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Kosai (6)
Li Tian Zuo Ji Ji Nian Guan🏛 museum
A museum in Kosai dedicated to Sakichi Toyoda, the founder of Toyota Industries.
Frequently asked questions
Where is Kosai located?
What is Kosai historically known for?
Can you visit the Toyoda memorial museum?
What activities are there at Lake Hamana?
How to get to Kosai?
Kosai: where is it located?
Kosai: what is there to see?
Kosai: why is it worth visiting?
























