清晨之門（Gates of Morning）[1]，是約翰·羅納德·瑞爾·托爾金（或稱J.R.R.托爾金）在小說中創造的虛擬世界。清晨之門位於中土大陸東方，是世界的入口之一。另一個則是極西的夜之門。
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