front view of lift lock in peterborough, ontario, canada

water waterway landmark tree vacation building park tourism canal liftlock peterborough ontario canada beautiful day lift trent severn 21 historical lock national site system destination recreational recreation boating lockstation facility operation maintenance route passes fees permits kawartha kawarthas tourist attraction design empty level canadian visit trip travel visitor explore exploration discover hydraulic landscape navigation elevation engineering highest high sunny weather summer spring concrete structure world innovation technology otonabee river city management heritage exterior historic monuments architecture architectural front view parks