Chest opened
+${chestReward.xp} XP
Explorer
NOUVEAU ×${chestReward.collectible.quantity}
tapez pour fermer
Chest locked

Open chests in the app

Around Us is built for your phone — chests unlock when you walk, explore and capture nearby places.

Enable Location

We need your location to show you interesting places around you

Discover nearby places

Find interesting locations and hidden gems around you

Precise directions

Get accurate directions and distances to places

Your location is never shared with other users. It's only used when you tap the location button.

Log in to your account

Start exploring — it's free

Trusted by 72,890 travelers worldwide

Continue with Google
Continue with Apple
or

We will send you a code to connect

By continuing, you accept our Terms and Conditions and our Privacy Policy

Check your inbox

We've sent a pincode in your inbox. Please enter the code below.

Usuda Star Dome
Discussion Reviews Photo
1.4k Popularity

Usuda Star Dome, Scientific observatory in Saku, Japan.

Usuda Star Dome is an observatory in Saku equipped with a large reflector telescope and smaller refractor instruments for viewing stars and planets. The facility sits at an elevation of 935 meters on a mountainous location in Nagano Prefecture.

The observatory opened in November 1996 and transferred to Saku city administration in April 2005 when the surrounding municipalities merged. This change brought the facility under new management and expanded its public reach.

The Saku City Board of Education operates this facility to advance public understanding of astronomy through educational programs and guided observations.

The observatory is open to visitors daily and provides access to telescopes for viewing the sky. It helps to visit during evening hours when the night sky is darker and celestial objects are more visible.

The facility uses a flexible eyepiece system that allows people of different heights to use the telescopes comfortably. This design feature makes stargazing accessible to everyone regardless of their stature.

The community of curious travelers

AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.

Start exploring
Location
GPS coordinates
36.19290,138.42930
Latest update
December 14, 2025 17:04
Reviews
Share your experience

No review yet

Discussions
Start a discussion...

No discussion yet

« Usuda Star Dome - Scientific observatory in Saku, Japan » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

Discover hidden gems everywhere you go!

From secret cafés to breathtaking viewpoints, skip the crowded tourist spots and find places that match your style. Our app makes it easy with voice search, smart filtering, route optimization, and insider tips from travelers worldwide. Download now for the complete mobile experience.

Around Us App Screenshot

A unique approach to discovering new places

Le Figaro

All the places worth exploring

France Info

A tailor-made excursion in just a few clicks

20 Minutes

Around Us
Travel Guide & Maps
Download

Send to your phone

QR Code
1

Open the camera app on your mobile.

2

Point at the QR code with your camera. A notification will appear.

3

Tap the notification to open the link.