About the Arroyo Seco

The Arroyo Seco region can be considered by historical accounts as the birthplace of Pasadena.

Key Facts

  • Over 10,000 people a day use the Arroyo Seco to recreate between running, hiking, cycling and horseback riding.

  • The Arroyo Seco is larger than Central Park.

  • The Colorado Street Bridge, which spans the Arroyo Seco, is a Pasadena landmark built in 1913 and is often featured in films and television.

  • The Arroyo Seco is home to the iconic Rose Bowl Stadium, which hosts the annual Rose Bowl Game, one of the oldest and most prestigious college football bowl games.

  • The natural beauty of the Arroyo Seco has inspired many artists, including those in the early 20th-century Arts and Crafts movement, leading to the creation of the "Arroyo Culture."

  • The Arroyo Seco features one of the oldest continuous footpaths in the region, used by indigenous peoples long before European settlers arrived.

The Arroyo Seco in Pasadena is a cherished natural space with a rich history. Spanning approximately 24 miles from the San Gabriel Mountains to the Los Angeles River, this watershed has been a vital resource for the region's indigenous peoples, including the Tongva, for thousands of years. The Arroyo Seco has also played a pivotal role in Pasadena’s development, serving as a key water source and providing a scenic backdrop for the city's growth. Today, the Arroyo Seco remains a vital part of Pasadena’s identity, preserving a unique blend of urban and natural environments.

Beyond its historical importance, the Arroyo Seco is a haven for both wildlife and people seeking recreation and mental rejuvenation. The upper, central, and lower sections of the Arroyo Seco offer diverse landscapes that support a variety of habitats, from riparian woodlands to urban parks. These areas are home to an array of wildlife, including birds, mammals, and native plants, contributing to the biodiversity of the region. For residents and visitors alike, the Arroyo Seco provides an essential space for outdoor activities such as hiking, cycling, and horseback riding. Studies have shown that access to natural environments like the Arroyo Seco can significantly improve mental health, offering a peaceful retreat from the stresses of daily life. As a vast green space in the heart of Pasadena, the Arroyo Seco not only enhances the city's ecological health but also fosters a sense of community and well-being among those who visit.