Horikoshi Tunnel

Yugawara Station (湯河原駅, Yugawara-eki) is a passenger railway station located in the town of Yugawara, Ashigarashimo District, Kanagawa Prefecture, Japan, operated by JR East.

Nangosan Tunnel (南郷山トンネル, Nangōsan tonneru) is a tunnel under Mount Nangō on Tokaido Shinkansen operated by Central Japan Railway Company located between Atami Station and Odawara Station with total length of 5.170 km. It was built and completed in 1961.

Mount Maku (Japanese: 幕山 = Maku-Yama) is a mountain with the height of 626 meters, located in Yugawara, Kanagawa, Japan. It is a volcanic lava dome that formed about 150,000 years ago in the older rim of Mount Hakone. Its name "Maku", meaning a curtain, is said to come from the rock walls of columnar joints that surround the mountainside, alluding to the Kabuki theater stage. Makuyama Park (幕山公園), located at the southern foot of the mountain, is famous for about 4,000 plum trees that come into bloom from early February to mid-March. They were planted around 1954 by volunteers in the local blacksmith district as a countermeasure against the landslides as well as a future tourism resource. There are several trails to Mount Maku's summit, which takes about 70 minutes from Makuyama Park. The hikers will enjoy the gorgeous view of the streets of Yugawara, noted for its hotsprings, Manazuru Peninsula, and Sagami Bay of the Pacific Ocean.

Mount Nangō (Japanese: 南郷山, romanized: Nangō-San) is a mountain with a height of 810 meters, located about 1.0 kilometer east of Mount Maku in Yugawara, Japan. It is a volcanic lava dome formed about 150,000 years ago in the older rim of Mount Hakone. The summit of Mount Nangō is a grass field, where you can command a great view of the Manazuru Peninsula as well as the Izu Islands in Sagami Bay.

Manazuru Station (真鶴駅, Manazuru-eki) is a passenger railway station located in the town of Manazuru, Kanagawa Prefecture, Japan, operated by the East Japan Railway Company (JR East).

Yugawara (湯河原町, Yugawara-machi) is a town located in Ashigarashimo District, Kanagawa Prefecture, Japan. As of 1 May 2021, the town had an estimated population of 23,267 and a population density of 570 persons per km2. The total area of the town is 40.99 square kilometres (15.83 sq mi).

Nebukawa Station (根府川駅, Nebukawa-eki) is a passenger railway station located in the city of Odawara, Kanagawa Prefecture, Japan, operated by the East Japan Railway Company (JR East).

Nebukawa Station accident (Japanese: 根府川駅列車転落事故) is a railway accident that occurred in Japan on September 1, 1923.

The Hakone Shindō (箱根新道, Hakone Shindō) (lit. New Hakone Road) is a 2-laned toll road in Hakone, Kanagawa, Japan. It is owned and managed by Central Nippon Expressway Company.

Ashigarashimo District (足柄下郡, Ashigarashimo-gun) is a district of Japan located in western Kanagawa Prefecture, Japan. Most sparsely populated mountainous districts are part of the Fuji-Hakone-Izu National Park. The majority area of the city of Odawara was formerly part of Ashigarashimo District. As of 2009, the district had an estimated population of 48,713 and a density of 346 persons per km2. The total area was 140.73 km2.

Mount Futago (Japanese: 二子山 = Futago-Yama) is a twin-peak mountain in the central volcanic cones of Mount Hakone, located in Hakone, Kanagawa, Japan. It consists of Upper Futago Mountain (1,099 meters) in the north, and Lower Futago Mountain (1,065 meters) in the south. Although entering this mountain is prohibited in order to preserve nature, Mount Futago is easily recognizable from various directions because of its prominent twin peaks and the relay towers of NTT Telecommunications East and NTT Docomo, which play an important role in Japan's busy east-west telecommunications.

The Battle of Ishibashiyama (石橋山の戦い, Ishibashiyama no tatakai) was the first in which Minamoto no Yoritomo, who became shōgun less than a decade later, was commander of the Minamoto forces. The battle was fought on September 14, 1180, in the southwest of present-day Odawara, Kanagawa Prefecture, near Yoritomo's headquarters at Kamakura.