Characteristics of logging wounds (size, intensity, location, and agent) and their conditions after 12 yr (closed, open, decayed, and tree destroyed) in Oriental beech trees were investigated in 3 logged compartments in the Iranian Caspian forests. The results indicated that the winching of logs was the main cause of stem wounding, especially intensive wounds at heights of < 0.3 m from ground level. The wound conditions after 12 yr were as follows: 67.3% had closed, 18.9% were open, 9.4% had decayed, and 4.4% were the cause of tree mortality. The rate of wound occlusion was related to the size and intensity of the wound, stem diameter (diameter at breast height; DBH),and ratio of wound size to stem basal area (RSA). Young stems (DBH < 40 cm) were more sensitive to logging wounds, while trees with a DBH of 40~60 cm had the highest wound occlusion rate. The maximum wound size that stems were able to occlude in the DBH classes of > 20, 20~40,40~60, and 60~80 cm were 72, 295, 444, and 757 cm2, respectively. The maximum RSA that stems were able to occlude in phloem- and wood-damaged wounds were 0.28 and 0.26, respectively.Logger training, organization, and use of adequate logging equipment with respect to forest environmental condition can reduce logging damage to acceptable levels.