Rize is really great for the nature friends here - you have relative high mountains (about 3.000 meters) covered by green woods (ask google :)). What I really like there is the forest with the best possibilities for tracking and climbing on the mountains or rafting on on of the best rivers in Turkey... In addition to that, Rize is very famous for original black tea, fishing and honey... I like it, because it's a good contrast to the city life. :)