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Akan River has been seeing brown bear activity close to the ground people walk on most recently at Onnenai Visitor Center in Tsurui Village, where two bears were reported crossing the boardwalk on December 4, 2025, and another report that day described a mother bear with a cub about 20 meters east of the wooden viewing deck. On November 20, 2025, another bear was seen on the boardwalk at Onnenai, and that report said the bear chased a person but caused no damage.

The busiest places in this area have been Kushiro and Tsurui Onnenai, with repeated reports also coming from Toridori Nishi 9 chome and Kushiro 北園. Activity has been strongest in September, when the area logged 13 sightings, while June had 7 and September 2024 also had 7; the broader picture is one of steady brown bear presence across 129 total sightings in Akan River.