Pasadena's plan to take more water from the Arroyo Seco has been complicated by the unexpected introduction of hundreds of rainbow trout.

Music giants Neil Young, Robert Plant and Jack White top the Arroyo Seco Weekend poster, but organizers say there’s a good reason the Pasadena event isn’t called the Arroyo Seco Music Festival ...

A study of the Arroyo Seco river began in 2005 but was dropped. It’s back to explore connectivity, habitat restoration.

If everything goes according to schedule, work on the Arroyo Seco trail project in Pasadena will start in early August.

The One Arroyo Foundation and the city of Pasadena celebrated a milestone for the Arroyo Seco on July 13, when long-awaited trail restoration projects groundbreaking ceremonies were held. This ...

The Arroyo Seco, often referred to as just “the Arroyo,” is a protected parkland in Pasadena that contains the Arroyo Seco stream and canyon that stretches 8 miles through the western part of ...

The One Arroyo Foundation and the city of Pasadena celebrated a milestone for the Arroyo Seco on July 13, when long-awaited trail restoration projects groundbreaking ceremonies were held. This ...