Monaghan Street Boat Ramp is a paved launch site on the Otonabee River in Peterborough, Ontario. It serves as a convenient access point for paddlers and boaters exploring the river corridor.

The ramp is recognized as one of several take-out and put-in options along the Lakefield to Squirrel Creek paddling route on the Trent-Severn Waterway, making it a useful stop for canoeists and kayakers traveling through the Peterborough area.