Stuðlagil Canyon, located in the eastern part of Iceland near the Jökuldalur valley, is renowned for its striking basalt column formations and vibrant blue glacial river running through it. The canyon's distinctive hexagonal basalt columns, formed by volcanic activity millions of years ago, create a dramatic contrast against the surrounding green hillsides.

Accessible via a moderate hike from the nearby parking area, Stuðlagil Canyon offers stunning views from various viewpoints along its rim. The glacial river Jökla flows through the canyon, its clear blue waters adding to the area's surreal beauty and making it a popular spot for photographers and nature enthusiasts.

Stuðlagil has gained popularity in recent years due to its unique geological features and natural allure. The basalt columns tower overhead, resembling organ pipes, and are especially breathtaking when illuminated by the sun during different times of the day.