Abstract: A hinge for a tonneau cover and a mounting assembly includes a right hinge, a left hinge, four connectors, a first clamping device, and a second clamping device. The first clamping device is attached to the right edge of the truck bed, while the second clamping device is attached to the left edge of the truck bed. The right hinge includes an upper plate, a front plate, a downward plate, and a lateral plate. The left hinge includes an upper plate, a front plate, a downward plate, and a lateral plate. The hinge for the tonneau cover and the mounting assembly can be mounted without drilling the truck bed and is compatible with various models of pickup trucks and can be mounted in the pickup trucks with or without the bed liner.