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Lake Water with 5 Colors Spreads in Front of Eyes -Onneto Observation Deck in Ashoro-

May 5th, 2017

Onneto Observation Deck (オンネトー展望デッキ) is on the west side of Lake Onneto (オンネトー) and is a tourist spot that most people visit in the neighborhood of the Lake Onneto. A wooden observation deck is buil on the lakeshore. The lake with 5 colors spreads in front of eyes, and the visitors can look at Mt. Meakandake (雌阿寒岳) and Mt. Akanfuji (阿寒富士). A parking lot is free. There is a restroom near the parking lot.

Lake Onneto
Lake Onneto Ashoro

Lake Onneto (オンネトー) is a dammed lake born by an eruption of Mt. Meakan (雌阿寒岳) in Ashoro town located in the southwestern of Lake Akan (阿寒湖). The perimeter of the lake is about 4 km. The Lake Onneto is one of the three major secret lakes with Lake Ocotanpe (オコタンペ湖), Lake Shinonome (東雲湖) in Hokkaido. Because colors of water look azure blue and emerald green depending on seasons, places, directions of wind and weather, it is called "Goshikinuma (五色沼 * Marshes with 5 Colors)" and is said that the colors of the water is the most beautiful in Hokkaido. It seems to look beautiful if weather in particular is bad. The water turning into 5 colors is acid with ph 6, and fishes can not inhabit, but Uchida Crawfish (内田ザリガニ) and Yezo Salamander (エゾサンショウウオ) inhabit. Creatures seem to be able to adapt to harsh environment.

Lake Onneto
Lake Onneto Ashoro
Lake Onneto
Lake Onneto Ashoro
Monument of Natural Forest
Lake Onneto Ashoro
Sunny Day
Lake Onneto Ashoro
Mt. Oakandake, Mt. Meakandake and Lake Onneto
Lake Onneto Ashoro
Restroom
Lake Onneto Ashoro

Atmosphere of Lake Onneto Can Be Watched on Youtube

Movie of Lake Onneto

Admission fee Free of charge
Parking lot Free parking is provided (10 Cars)
Business hours Open 24 hours
Regular closing day Winter season
Telephone number +81-156-25-6131
Home page Home page is here
Mapcode 783 761 885*82

Accommodations

Refer to following websites for the accommodations around Lake Onneto.

Yama-no-Yado Nonaka Onsen(山の宿 野中温泉)
Booking
Onneto Camping Ground(オンネトー野営場)
Booking
Jalan
Rakuten
Booking.com
Booking.com

A page of Akan National Park is here

Akan National Park

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