The successful agriculture pursuits in the area necessitated an extensive and economically significant train system, which was developed in the 1930s. Despite the periodic irreparability of the Cradock Pass and Attakwaskloof in the Outeniqua Mountains, a reputable trade developed between the inhabitants north and south of the range. There was also trade with Cape Town, but its scope is uncertain; in any case, the poor state of the passes Attakwaskloof and Caledonkloof, through the transverse mountains on either side of the Gamka River, had a disruptive effect on trade with Cape Town.