Things to Do in Ōi (大井町), Kanagawa: Sights, Train Access & Travel Guide

Last reviewed: October 25, 2026 · Prices are approximate and for orientation only.

Overview & City Profile

Ōi (大井町) in Kanagawa Prefecture (Kanto, Japan) is anchored by local sights including Tanzawa Ōyama Kokutei Park (丹沢大山国定公園), Myōjinga Dake (明神ヶ岳), Ten Province Pass (十国峠) and served by Sagami-kaneko Station (相模金子駅) (1.4 km) via the regional hub at Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station. Set at 93 m elevation (35.3350°N, 139.1654°E), Ōi offers travelers a base for sampling regional Yokohama Chinatown steamed buns & shumai, Yokohama Iekei tonkotsu-shoyu ramen, Shonan shirasu (whitebait bowls) cuisine and exploring neighboring Kaisei (開成町) (3.7 km), Nakai (中井町) (4.5 km), Hadano (秦野市) (5.8 km), Minamiashigara (南足柄市) (6.3 km).

Set across coastal plains and river valleys at 93 m elevation in Kanagawa Prefecture, Ōi is anchored by local landmarks including Tanzawa Ōyama Kokutei Park (丹沢大山国定公園), Myōjinga Dake (明神ヶ岳), Ten Province Pass (十国峠) and connects to neighboring Kaisei, Nakai, Hadano via Sagami-kaneko Station (相模金子駅) (1.4 km). Within Kanagawa Prefecture, Ōi (大井町) serves as a town (町) in kanagawa prefecture (municipal incorporation: 1889-04-01) and pairs naturally with wider prefectural highlights such as Yokohama Minato Mirai & Chinatown, ancient temples and Great Buddha of Kamakura, Enoshima Island, Odawara Castle, and Hakone hot springs overlooking Mt. Fuji.

What to See & Do in Ōi (大井町): Landmarks & Sights

Visitors exploring Ōi (大井町) from Sagami-kaneko Station (相模金子駅) (1.4 km) at 93 m elevation (35.3350°N, 139.1654°E) can visit these nearby shrines, temples, parks, and geographic landmarks (with straight-line distances from central Ōi):

• Tanzawa Ōyama Kokutei Park (丹沢大山国定公園) — local sightseeing landmark near Ōi (大井町).
• Myōjinga Dake (明神ヶ岳) — local sightseeing landmark near Ōi (大井町).
• Ten Province Pass (十国峠) — local sightseeing landmark near Ōi (大井町).
• Mishōtai Zan (御正体山) — local sightseeing landmark near Ōi (大井町).
• Primary Rail Gateway for Ōi: Sagami-kaneko Station (相模金子駅) (1.4 km) (connecting to Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station).

Closest Neighboring Municipalities to Ōi

When planning a regional rail or driving loop around Ōi (大井町) and Sagami-kaneko Station (相模金子駅) (1.4 km), consider pairing your stop with the 5 closest neighboring municipalities across Kanagawa Prefecture and Kanto:

• Kaisei (開成町) — 3.7 km from Ōi (Kanagawa Prefecture)
• Nakai (中井町) — 4.5 km from Ōi (Kanagawa Prefecture)
• Hadano (秦野市) — 5.8 km from Ōi (Kanagawa Prefecture)
• Minamiashigara (南足柄市) — 6.3 km from Ōi (Kanagawa Prefecture)
• Matsuda (松田町) — 7.1 km from Ōi (Kanagawa Prefecture)

Getting to Ōi & Getting Around

Train & hub access to Ōi (大井町) via Sagami-kaneko Station (相模金子駅) (1.4 km): 25–30m from Tokyo Station to Yokohama or Kawasaki on JR lines; 35m to Odawara on the Tokaido Shinkansen; 55m to Kamakura on the JR Yokosuka Line. From Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station, transfer to local JR or private rail lines serving Sagami-kaneko Station (相模金子駅) (1.4 km) to reach central Ōi (35.3350°N, 139.1654°E).

• Local rail & IC cards at Sagami-kaneko Station (相模金子駅) (1.4 km): JR regional trains and private commuter lines link Yokohama with Ōi (大井町) and neighboring Kaisei, Nakai, Hadano. Nationwide IC cards (Suica, PASMO, ICOCA) work at major urban gates; for rural branch stations or local buses around Ōi, carry ¥1,000 bills and ¥100 coins for the onboard fare box.
• Luggage & station coin lockers: Day-trippers stopping in Ōi between Yokohama and Kaisei can store bags at major transfer stations or check suitcase dimensions in our Luggage & Locker Checker and ship large bags ahead via Takkyubin.
• Driving & car rental around Ōi: While Sagami-kaneko Station (相模金子駅) (1.4 km) anchors public transit for Ōi, picking up a rental car at Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station makes it easy to link Tanzawa Ōyama Kokutei Park (丹沢大山国定公園) and Myōjinga Dake (明神ヶ岳) with nearby Kaisei (開成町) (3.7 km), Nakai (中井町) (4.5 km), Hadano (秦野市) (5.8 km), Minamiashigara (南足柄市) (6.3 km). See our Renting a Car in Japan Guide.

What to Eat in Ōi (大井町) & Kanagawa

Dining near Sagami-kaneko Station (相模金子駅) (1.4 km) and across Ōi (大井町) highlights the regional food culture of Kanagawa Prefecture and Kanto. Look for these local specialties at station restaurants, family-run shokudo, and markets in Ōi:

• Yokohama Chinatown steamed buns & shumai — regional specialty enjoyed across Ōi (大井町) and Kanagawa Prefecture.
• Yokohama Iekei tonkotsu-shoyu ramen — regional specialty enjoyed across Ōi (大井町) and Kanagawa Prefecture.
• Shonan shirasu (whitebait bowls) — regional specialty enjoyed across Ōi (大井町) and Kanagawa Prefecture.
• Odawara kamaboko fish cakes — regional specialty enjoyed across Ōi (大井町) and Kanagawa Prefecture.
• Yokosuka Kaigun curry — regional specialty enjoyed across Ōi (大井町) and Kanagawa Prefecture.

If you are dining in Ōi (大井町) with food allergies or dietary restrictions, use our Japanese Phrasebook & Allergy Show-Cards at restaurants around Sagami-kaneko Station (相模金子駅) (1.4 km).

Where to Stay in Ōi (大井町)

Visitors staying overnight in Ōi (大井町) can look for business hotels, traditional ryokan, or family-run minshuku near Sagami-kaneko Station (相模金子駅) (1.4 km), or base at major rail hubs in Yokohama (Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station) or neighboring Kaisei, Nakai, Hadano for quick train access into Ōi. Compare hotel tiers and ryokan etiquette in our Japan Accommodation Guide.

Best Time to Visit Ōi & Seasonal Highlights

Seasonal guide for Ōi (大井町, 93 m elevation at 35.3350°N, 139.1654°E): Late March–April for cherry blossoms in Kamakura & Yokohama Sankeien; June for Kamakura hydrangeas; October–December for crisp Mt. Fuji views from Hakone & Enoshima.

Wider sightseeing across Kanagawa Prefecture that pairs well with visiting Tanzawa Ōyama Kokutei Park (丹沢大山国定公園) in Ōi (大井町) includes: Yokohama Minato Mirai & Chinatown, ancient temples and Great Buddha of Kamakura, Enoshima Island, Odawara Castle, and Hakone hot springs overlooking Mt. Fuji.

Practical Travel Tips for Ōi (大井町)

• Tourist information (観光案内所) for Ōi: Stop by the Kankō Annaijo desk at Yokohama Station, Shin-Yokohama (Tokaido Shinkansen) & Odawara Station or Sagami-kaneko Station (相模金子駅) (1.4 km) for local bus schedules to Tanzawa Ōyama Kokutei Park (丹沢大山国定公園) and walking maps of Ōi (大井町).
• Cash & ATMs in Ōi: Convenience stores and major hotels around Sagami-kaneko Station (相模金子駅) (1.4 km) accept international cards, while smaller eateries and shrines near Tanzawa Ōyama Kokutei Park (丹沢大山国定公園) often prefer yen cash; 7-Eleven (Seven Bank) and Japan Post ATMs in Ōi accept foreign debit cards.
• Local dining hours in Ōi: Around Sagami-kaneko Station (相模金子駅) (1.4 km) and neighboring Kaisei, Nakai, Hadano, lunch service typically runs 11:30 AM–2:00 PM and dinner spots open around 5:30 PM with last orders between 8:00 PM and 9:00 PM.