News Mizzy Lake Trail in Algonquin Park Closed Because of Bear Activity SHARE ON: James Bowler, staff Tuesday Jul. 10th, 2018 Stock photo. Algonquin Park visitors are being warned to be cautious this month. OPP Constable Shawn Peever says Mizzy Lake Trail in Algonquin Park was recently closed because of increased black bear activity. He says if you ever see a bear, it’s best to keep your distance. //www.mybancroftnow.com/wp-content/uploads/2018/07/OPP-Bears-1.mp3 Peever says there are steps you can take to avoid unwanted bear visits to your campsite as well. //www.mybancroftnow.com/wp-content/uploads/2018/07/OPP-Bears-2.mp3 Algonquin Park officials say Mizzy Lake Trail will be closed until further notice. To view all Algonquin Park advisories, click here. With files from Matt Latour.