The Chocolate Hills are a unique geological formation in Bohol, made up of more than a thousand nearly symmetrical cone-shaped hills spread across the island’s central region. They are one of the Philippines’ most iconic natural landmarks and a major tourist attraction, known for their uniform shapes and the way they change color with the seasons.
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The hills are mainly composed of limestone covered with grass. Geologists believe they were formed from uplifted coral deposits that were gradually shaped by erosion over thousands of years. Through weathering, the limestone was sculpted into cone- and dome-shaped mounds, creating the distinctive clustered landscape found in the interior of Bohol.
During the dry season, the grass covering the hills dries out and turns brown, giving the landscape its distinctive “chocolate” color. In the wet season, however, the hills become lush and green. This striking seasonal change adds to the area’s visual appeal and is the reason behind its name.
The Chocolate Hills are a key part of Bohol’s tourism industry and a well-known symbol in the Philippines, even featured on the provincial flag and seal. Viewing decks in Carmen and Sagbayan offer panoramic views of the unique landscape. The site is also rich in local folklore, with legends explaining its formation through stories of giants or tragic love.