The chemical reactions and pathways resulting in the formation of (+)-camphor, a bicyclic monoterpene ketone. Consists of the three reactions: (2E)-geranyl diphosphate = (2S,4R)-bornyl diphosphate, which is converted to (1R,2S,4R)-borneol + diphosphate, and then to (1R,4R)-camphor.
(+)-camphor biosynthesis