The Hassell Range is a mountain range located in the northern part of the Flinders Ranges in South Australia. It is known for its rugged terrain and unique geological formations, which are primarily composed of ancient sedimentary rocks. The range is part of the larger Adelaide Geosyncline, a significant geological feature in the region. The Hassell Range is also home to diverse flora and fauna, making it an important area for biodiversity. It offers various recreational opportunities, including hiking and wildlife observation, attracting nature enthusiasts and researchers interested in the region's ecology and geology.