Constitution 1857 National Park is a mountainous area located in the northern part of
Baja California,
Mexico. The city of
Ensenada,
Baja California is located approximately from the park on Federal Highway 3, near the village of Ojos Negros. The highest elevation nearby and just outside the park is . The park is mostly located in the valley of the Hanson Plain characterized by granite and sand beds surrounded by the
Sierra de Juárez.
Laguna Hanson (Juárez Lake) is located in the center of the park at an elevation of above sea level. Laguna Hanson is the main lake in the park, but there are several dry lakes on the Hanson Plain that hold water for only part of the year. The Hanson Plain is thought to have formed during the Mesozoic Era. The Sierra de Juárez is a subdivision of the mountain range named the Cordillera Baja California, which is an extension of the
Sierra Nevada mountain range. ==Climate==