One of the natural wonders of this beauty is hidden under the ground of Safranbolu. Bulak (Mencilis) Cave is 8 km distance from the town located northwest of the village of Bulak. The total length of the cave is 6042 meters and it’s formed of 3 floors. As the cave is entered, you are welcomed by the refreshing coolness. After you achieve to get to the main gallery there is a small underground river dominated by magnificent colors, a waterfall and two separate lakes, the structure of natural beauty dazzles the guests. Safranbolu is well known for richness of water resources; the water from the waterfall streams down from 15 meter high and it is known as the water mixing in to the soil and comes back out in to the earth between the rocks. At Byzantine and Ottoman times a branch of this cave was the source of waterway leading to the city center. Today, the shortness of breath of the Mencilis cave is assumed to be good for diseases such as asthma and bronchitis.
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