The Arroyo Seco Master Plans are a set of documents defining the community vision for the Arroyo Seco Natural Park. The set is comprised of four separate planning documents. Links to the complete documents, or sections of each document, are located on the Arroyo Seco Master Plans webpage.
Hahamongna Watershed Park Master Plan
The Hahamongna Watershed Park Master Plan illustrates a vision for the 300-acres of open space that extends from Devil’s Gate Dam north and into the Arroyo Seco Canyon, on the northwestern edge of the city. The Hahamongna Watershed Park Master Plan was adopted to establish a visionary framework for recreation, water resources, flood management, habitat restoration and cultural resources in this area.
City Council Agenda Report for adoption of HWP Master Plan, September 29, 2003
Hahamongna Watershed Park Master Plan Document: Hahamongna Watershed Park Master Plan
Hahamongna Watershed Park Master Plan Addendum
The Hahamongna Watershed Park Master Plan illustrates a vision for the 300-acres of open space that extends from Devil’s Gate Dam north and into the Arroyo Seco Canyon, on the northwestern edge of the city. The Hahamongna Watershed Park Master Plan was adopted to establish a visionary framework for recreation, water resources, flood management, habitat restoration and cultural resources in this area.
In 2005 the city purchased an additional 30 acres of land adjacent to Hahamongna Watershed Park. With community input, the city has prepared a plan that provides a vision for the future of this property that has now been integrated into the existing Hahamongna Master Plan; reference the Hahamongna Watershed Park Master Plan Addendum to view the document.
Download the Hahamongna Watershed Park Master Plan ADDENDUM Entire Document: Hahamongna Watershed Park Master Plan Addendum
Hahamangna Watershed Park Master Plan Addendum Initial Study: Hahamongna Watershed Park Master Plan Addendum Initial Study
Central Arroyo Master Plan
The Central Arroyo Seco, the area between Devil’s Gate Dam and the Colorado Street Bridge, is the most active and diverse portion of the Arroyo Seco. The Central Arroyo Master Plan provides a vision for the 470 acres, in which one can golf, swim, run, walk, jog, bike, picnic, bird-watch by the stream, play ball, fly a kite, or watch a world class football game at the Rose Bowl. The Master Plan was adopted to establish a visionary framework for recreation, habitat restoration and cultural resources in this area.
City Council Agenda Report from September 26, 2005
Central Arroyo Master Plan Document: Central Arroyo Master Plan
Lower Arroyo Master Plan
The Lower Arroyo Seco is a unique environmental, recreational, and cultural resource of the City of Pasadena. Surrounded by residential neighborhoods, the Lower Arroyo stretches approximately 1.75-miles from the Colorado Street Bridge to the South Pasadena city limit at San Pascual Stables. In 1977, the City declared the Lower Arroyo to be a City Cultural Landmark. The Lower Arroyo Master Plan provides visionary framework to preserve the cultural resources, restore the habitat, and provide the recreational opportunities unique to this cherished landscape.
City Council Agenda Report, February 2, 2015
City Council Agenda Report, September 29, 2003
Download The Lower Arroyo Master Plan Document: Lower Arroyo Master Plan – Revised 2-2-2015
Design Guidelines
The Arroyo Seco Design Guidelines provide a unifying set of criteria for the site development improvements set forth in the Arroyo Seco Master Plan for on-going, long-range improvements for the Arroyo Seco. These guidelines will lead to a unified park design that reflects the heritage of the Arroyo Seco and its relationship to the tradition of the City of Pasadena. The Arroyo Seco Design Guidelines provide specific site design solutions that are consistent with the existing Arroyo Seco Ordinance and a vehicle by which practical inputs for ongoing improvements can take place.
City Council Agenda Report, April 14, 2003
Arroyo Seco Design Guideline Document: Arroyo Seco Design Guidelines