Calamus is a small town located in eastern Iowa, known for its picturesque surroundings and natural beauty. The town experiences a humid continental climate, with warm summers and cold winters. The hydrology constituents of the town are primarily comprised of the Calamus River, which runs through the town and provides opportunities for fishing and boating. Outdoor recreation opportunities in Calamus include hiking, camping, and bird-watching in the nearby Calamus State Recreation Area. The area is also popular for hunting and trapping, and there are several designated game areas in the vicinity. The town is a popular destination for tourists looking for a peaceful getaway, surrounded by natural beauty and opportunities for outdoor activities.