To provide an eaves gutter which is not damaged with abrasions even though two pieces of eaves gutter having opposite different shape side walls are integrated into one piece, packaged and transported, and which don't generate wasted material because they don't use protective material, further which has the same drainability as conventional eaves even after construction thereof.

The eaves gutter includes an outdoor side wall board 1, a building side wall board 3, a bottom board 6 connecting the bottoms of these boards each other and ear edges 2, 4 formed at each extremity of the outdoor side wall board 1 and the building side wall board 3 and is formed into in U shape in vertical cross section. The building side board 1 is bent toward inner side of the eaves gutter, and an engaging portion 7 engaging with the ear edge resting on the extremity of the outdoor side wall board 1 is arranged on the bottom board 6, and the distance between the indoor side end 8 of the engaging portion 7 and the inner side end 5 of the ear edge 4 resting on the extremity of the indoor side wall board 3 is made identical to the bend width of the building side wall board 1.