The reservoir of Tamagawa Dam in Semboku, surrounded by mountains and colourful in autumn.
Capture month unconfirmed · Historical photo, not a live view
AUTUMN · Oct
Weather for your date
Today shows live hourly weather. Future dates show the best available report.
17°C
Mainly clear
💧 0% rain chance · wind 11 km/h
Hourly forecast
Forecast: Open-Meteo
Packing checklist
No tips added for this spot yet.
Parking
Parking has not been verified for this place.
Search nearby parking ↗Directions to Lake Hosen
Leave the start blank to choose your current location in Google Maps. The pin is an approximate landmark; check the entrance and live services in Maps.
A DIFFERENT JAPAN, EVERY MONTH
When to see this place
Typical viewing windows. Weather and bloom dates vary each year; these are not live forecasts.
No month-specific guide yet for Oct. This does not mean the place is closed.
Suitability
Stroller: Not recommended
Nursing room: Not available
Noise level: moderate
Rules
Drones: banned
Nearby places
Within 30 km, closest first.
AkitaNi-no-Taki Falls
A waterfall in the Moriyoshi mountains of Kitaakita, on the trail through the Akamizu valley.
AkitaYasu Falls
A two-tiered waterfall about 90 metres high in Kitaakita, one of Japan's Top 100 Waterfalls, reached by a forest trail.
AkitaTsurunoyu Onsen
A historic thatched hot-spring inn in the Nyuto Onsen area with milky-white open-air baths.
AkitaNyuto Onsen
A cluster of rustic hot-spring inns in the forests of Towada-Hachimantai National Park, famous for milky-white open-air baths.
AkitaTamagawa Onsen Nature Trail
A boardwalk through steaming volcanic ground at Tamagawa Onsen, Japan's most acidic hot spring, where visitors lie on warm rock beds.
AkitaAkamizu Gorge
A valley in the Moriyoshi area of Kitaakita with clear streams and waterfalls along a forest trail.
AkitaMount Akita-Yakeyama
A small volcano in the Hachimantai area surrounded by steaming hot-spring fields such as Tamagawa and Goshogake.
AkitaDakigaeri Gorge — Autumn Trail
A forested gorge near Kakunodate known for blue-green water, waterfalls and autumn colour around the suspension bridge and riverside trail. Parking is limited and sections of trail may close, so confirm local notices.
Sources, photo credits and verification
Place information: Official tourism source · Reviewed 2026-10-07
- 1. 宝仙湖（玉川ダム人造湖・秋田県仙北市） · 掬茶 · Source ↗ · CC BY-SA 4.0
- 2. 玉川ダム。仙北市。 · Jun K · Source ↗ · CC BY-SA 2.0