kawartha map Close Lock 45 Port Severn Lock 44 Big Chute Marine Railway Lock 43 Swift Rapids Lock 42 Couchiching Lock 41 Gamebridge Lock 40 Thorah Lock 39 Portage Lock 38 Talbot Lock 37 Bolsover Lock 36 KirkField Lift Lock Lock 35 Rosedale Lock 34 Fenelon Falls Lock 32 Bobcaygeon Lock 31 Buckhorn Lock 30 Lovesick Lock 28 Burleigh Falls Lock 27 Youngs Point Lock 26 Lakefield Lock 25 Sawer Creek Lock 24 Douro Lock 23 Otonabee Lock 22 Nassau Mills Lock 21 Peterborough Lift Lock Lock 20 Ashburnham