What ever became of the muddy old pan known as Rosilyn Lake? Rosylin Lake sat in the foothills between Sandy Oregon and the Dodge Park area of the Sandy River basin
. The lake was drained when Marmot Dam
came down in 2007/2008.
Now Removed Marmot Dam
Used mostly as a put and take trout fishing lake for local Sandy and East Portland residents. The only native fish