Home Sign Me UpJoin / Renew Fire RatingsThe Municipality of Magnetawan Ryerson TownshipCurrent Weather The Weather Network Web CamThe weather cam is located in a rural area about 3km from Sundridge.Horn Lake Nautical Chart Know the lake depths and hazard locations before you launch your boat. (click to enlarge)Search #HornLakeONLike our HLPOA Facebook Page to stay up to date.We need your pictures!Send us your pictures to add to the site.Good Times on Horn LakeMany more images of fun on the lake can be found here. And find videos of Horn Lake here.Contact Us Your Name (required) Your Email (required) Subject Your Message What is thirteen minus 5?