A bending angle adjustment mechanism for an endoscope includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and is pulled, a support member made of metal that is integrally provided to support both ends of the rod member, an adjustment piece that is engaged with the rod member, is movable along the rod member, and restricts movement of the long member, a guide member made of resin having a guide surface for guiding movement of the adjustment piece, wherein the guide member is fixed in a state in which the guide member is sandwiched between the adjustment piece and the support member so that the guide surface is disposed in a position capable of guiding the adjustment piece.
