Lake Mashu

Su Lake Mashu

The deep blue water known as 'Mashu Blue' is especially vivid on sunny days.
The Mashu Lake Kamui Terrace rooftop is a modern, comfortable space to relax while enjoying the view.
The Ura-Mashu Observatory offers a unique perspective that is less affected by mist.
Experience winter snowshoeing to enjoy trekking through a breathtaking snowy landscape.
To see the most beautiful scenery, consider the seasonal changes, such as the blue skies of summer or the frost-covered mountains of winter.

Consigli

Payment

Please carry cash, as some cafes and rental services may only accept cash.

English Support

Basic English guidance is available at most tourist facilities and rest houses.

Reservations

No reservation is required for observatories, but check in advance for seasonal activities.

Clothing

Temperatures change significantly; bring warm clothing for winter or inclement weather.

Photography

Photography is allowed at observatories; please respect nature conservation rules.

Accessibility

The First Observatory (Kamui Terrace) is designed with barrier-free access.

Etiquette

As this is a protected area of a National Park, please help preserve the natural environment.

The deep blue water known as 'Mashu Blue' is especially vivid on sunny days.
The Mashu Lake Kamui Terrace rooftop is a modern, comfortable space to relax while enjoying the view.
The Ura-Mashu Observatory offers a unique perspective that is less affected by mist.
Experience winter snowshoeing to enjoy trekking through a breathtaking snowy landscape.
To see the most beautiful scenery, consider the seasonal changes, such as the blue skies of summer or the frost-covered mountains of winter.

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