In İstanbuldere, the hiking trail that runs through the creek, between the chestnut and beech trees and from the edge of the stream, is very pleased by the nature lovers. İstanbuldere Trout House, which you can reach from the exit of Sapanca on the highway towards Istanbuldere Village and reach the village after passing the village, is quite successful both as a medium and as breakfast content. Sitting around the gigantic waterfall, especially at the tables, is an incredible pleasure. Mixed breakfast thermos tea, cheese, olives, cream, honey, eggs, pies, melted cheese in the tile, sausage and warm village bread included. They are all delicious, as if they were all mother’s hands.