by Mark Miller, Lake Oswego, Oregon RealtorĀ® Here's the summer of 2007 information for the Farmers' Markets in Lake Oswego and West Linn. Both open up in May and close in October. Lake Oswego (503) 635-0391 May 19 - October 27 Saturdays 8am to 1pm Millenium Park (First and Evergreen) West Linn (5...