Mt. Azumaya (四阿山)

Mt. Azumaya(あずまやさん) (四阿山) is a 2,354m mountain located on the border of Ueda City in Nagano Prefecture and Tsumagoi Village in Gunma Prefecture.
Selected as one of Japan’s 100 Famous Mountains, it features a gentle profile and 360-degree panoramic views from the summit.

While driving to the Torii-toge Pass route is common, this page introduces bus access to Sugadaira Kogen Davos (菅平高原ダボス / Sugadaira Ranch) on the western side.

*Timetable last checked: [sc name=”updated_date”][/sc]

Map

Access

1. Getting There: Ueda Station → Sugadaira Kogen Davos
2. Return: Sugadaira Kogen Davos → Ueda Station

1. Getting There: Ueda Station (上田駅) → Sugadaira Kogen Davos (菅平高原ダボス)

From Ueda Station (上田駅) Oshiroguchi Exit, Bus Stop #3, take the Ueda Bus (上田バス) bound for “Sugadaira Kogen” (菅平高原) and get off at Sugadaira Kogen Davos (菅平高原ダボス) bus stop.

Operating period: Year-round
Ride time: 55 minutes
Fare: ¥500

Bus TimetableUeda Stn. → Sugadaira-kogen Davos

Reference : Ueda Bus　* Updated for Oct 1, 2025 revision

Reference: [Ueda Bus]

2. Return: Sugadaira Kogen Davos (菅平高原ダボス) → Ueda Station (上田駅)

From Sugadaira Kogen Davos (菅平高原ダボス) bus stop, take the Ueda Bus (上田バス) bound for “Ueda-eki” (上田駅) and get off at the terminal, Ueda Station.

Operating period: Year-round
Ride time: 55 minutes
Fare: ¥500

Bus TimetableSugadaira-kogen Davos → Ueda Stn.

Reference : Ueda Bus　* Updated for Oct 1, 2025 revision

Reference: [Ueda Bus]

Photo by Masa