Bolu is home to some of the best places to visit through eco-tours, featuring lakes, trekking routes, waterfalls, and a diverse array of plants. Especially during autumn, the colors of green, yellow, blue, and white create fabulous views in both Abant and Seven Lakes, making it the best time to visit Bolu, Turkey. Bolu is a favorite spot for nature photographers—one of the popular things to do in Bolu, Turkey—so be sure to prepare your camera.