We took a ferry to Mljet and hired bikes at the landing point. A tough ride up hill and a pleasant freewheel back down again took us in to the nature reserve. You can follow the road around the island but it doesn't make a circuit so don't try and do a lap. I recommend you get off the road and carry the bike up one of the tracks where you can find secluded places to swim. I'm really not a cyclist but thoroughly enjoyed it, hopping off into the water when I got too hot. The island is stunning
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