- Numazu is located adjacent to the deepest bay in Japan, Suruga Bay, which reaches depths of over 2,500 meters, influencing the local fishing industry and marine research.
- The city has served as a critical imperial retreat since 1893, when a villa was constructed specifically for the recuperation of the Imperial family due to the area's mild climate.
- During the Sengoku period, the area surrounding the Kōkokuji Castle Ruins was a strategic stronghold fought over by major warlords including the Hojo and Takeda clans.
- The city's geography is distinctly split between the coastal plains of the Kano River delta and the mountainous Ashitaka mountain range to the north.
About Numazu
Numazu is a coastal city in Shizuoka Prefecture, uniquely positioned at the base of the Izu Peninsula along the deep waters of Suruga Bay. The city is defined by its maritime economy, anchored by the bustling Numazu Port, which serves as a gateway to both fresh seafood and local marine exploration at the Numazu Deep Sea Aquarium. Beyond the harbor, the landscape transitions into the serene historical grounds of the Numazu Imperial Villa Memorial Park and the elevated vistas of Kanukiyama Park. It serves as a vital transit hub for travellers entering the Izu Peninsula while offering significant cultural sites like the Kōkokuji Castle Ruins.
Highlights of Numazu
The places our editors single out — and why they're worth your time.
Zoos
View rare deep-sea specimens, including the prehistoric frilled shark and giant isopods, found in the surrounding Suruga Bay.
Places of interest
Take a boat tour around the harbor to view the industrial port operations and coastal scenery from the water.
Places of interest
Scale the massive water gate structure to observe a panoramic view of the bay and the distant silhouette of Mount Fuji.
Historical places
Walk the pine-lined trails of this former imperial retreat that preserves coastal nature and historic architecture.
Parks
Hike to the summit observation deck for one of the most comprehensive elevated views over the entire city and Suruga Bay.
Historical places
Explore the stone foundations and historic layout of this site, which marks the birthplace of the later Hojo clan.
Top things to do in Numazu
The 141 highest-rated places in Numazu, ranked by travellers.
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Zoos
The Numazu Deep Sea Aquarium is the world's first museum dedicated exclusively to deep-sea marine life. It is located ne...
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Museums
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Numazu on the map
Top attractions plotted across the city.
Plan your visit to Numazu
Autumn, specifically October to November, offers clear views of Mount Fuji and mild, dry weather ideal for outdoor parks and coastal sightseeing.
2 days, allowing time for coastal exploration at the port and inland historical sites.
The city is primarily navigated via the local bus network, taxis, and walking within the port area, while the JR Numazu Station serves as the main rail hub.
Stay near Numazu Station for convenient access to regional trains, or near the Numazu Port area for immediate access to waterfront dining and morning markets.
Mid-range; while seafood at the port is premium, accommodation and transport within the city remain accessible.
Frequently asked
Aventuro lists 141 curated attractions in and around Numazu, ranked by traveller ratings.
Numazu Deep Sea Aquarium is the highest-rated place to visit in Numazu right now.
The largest category is temples, with 43 places to explore.
Travellers also explore Toshima, Osaka, Kyoto.
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