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Earlier editions: 2026-09

Zoning›ZONING ORDINANCE›Division 8 — CONSERVATION AND OPEN SPACE PHASED DEDICATION DISTRICTS

Irvine Municipal Code Ch. 8-19 Open Space Spines and Trails

Irvine Municipal Code · 2026-10 edition · updated 2026-10-04 · Irvine

Cite as: Irvine Municipal Code Chapter 8-19 · Text as of 2026-10-04

Sec. 8-19-1. - Open space spines.

A. Jeffrey open space trail. The Jeffrey open space trail will provide a continuous open space edge of variable width along the eastern side of the ultimate alignment of Jeffrey Road. Except for utilities and General Plan roadway improvements, surface uses will be limited to trails and associated passive public recreation and park-and-ride facilities. It will be composed of the following gross areas generally depicted on Figure 8-19:

  1. Parcel S-1B. Between I-405 and the Barranca Parkway, the JOST shall total 14 gross acres. The width of the JOST at the southern end, abutting the Edison ROW-1, shall be greater than the average width of Parcel S-1B.

  2. Edison ROW-2 and 3. The JOST for the portion of Jeffrey Road adjacent to the existing Edison right-of-way shall lie within that right-of-way.

  3. Parcels S-1A and S-1C. Between I-5 and Barranca Parkway, the JOST shall be 16 gross acres. A park-and-ride facility may be located in the JOST. Should a park-and-ride facility be located in the JOST, the landowners may convey that portion of the JOST needed for the facility to Caltrans or other appropriate public agency.

  4. Parcel S-4. Between I-5 and the preservation area in the Lomas de Santiago Ridge, the JOST will average 300 feet in width. The landowner acknowledges the importance of completing the link of the JOST between the I-5 Freeway and the Lomas de Santiago Hills. The landowner agrees to include plans for the JOST with future development programs (either in the County or the City) for the land easterly of this JOST in Planning Areas 6 and 9 and, pursuant to acceptable dedication agreements with the appropriate jurisdiction, provide offers of dedication for the JOST. The City acknowledges and affirms its intention to cooperate in and coordinate planning efforts to arrive at mutual agreement on appropriate land use designations for this area pursuant to the annexation policy agreement between The Irvine Company and the City dated February 8, 1984.

B. Northwood railroad right-of-way. The Northwood railroad right-of-way open space trail is an east/west spine that is primarily within the Northwood Planning Area (8).

  1. The open space spine shall follow the abandoned Northwood railroad right-of-way and be developed as bike and hiking greenbelt trail system.

  2. Encourage the extension of the open space spine through Planning Area 4 (at the time of zoning/concept plan) in order to connect with the Peters Canyon Wash Corridor open space spine.

  3. Encourage the connection of the open space trail to the Jeffrey Road open space trail in Planning Area 9.

C. Hicks Canyon Wash. The Hicks Canyon Wash open space spine is an east/west spine that is located in the City's northern sphere of influence. The Hicks Canyon open space spine is defined as the Hicks Canyon Wash and the areas immediately adjacent to the channel.

  1. At the time of zoning and/or concept plan for Planning Areas 1, a conceptual site plan for the treatment of the Hicks Canyon Wash open space spine shall be submitted to the City by the developer for review and approval. The plan will establish the general relationship of the open space spine to the adjacent development. The plan shall address the following items: (1) the overall setback through the length of the open space spine, (2) connections with the Peters Canyon Wash Corridor and Jeffrey Road open space trails, (3) type of trails, (4) landscape elements, and (5) other special design features. Preliminary plans shall be submitted for approval by the Planning Commission at the time of residential tentative subdivision approvals. A final plan must be submitted for City approval prior to building permit issuance.

  2. The Hicks Canyon Wash open space spine should be designed in coordination with the Orange County Flood Control District, the Army Corps of Engineers and the City of Irvine.

  3. The Hicks Canyon Wash open space spine shall be designated to accommodate and provide for the trail systems adopted in the General Plan circulation element.

D. Edison easement. The Edison easement open space spine is an east/west spine that is located generally in the City's center (Planning Areas 15 and 38).

  1. The open space spine shall follow the Edison easement and be developed to accommodate the trail systems provided for in the adopted General Plan circulation element.

  2. At the time of zoning and/or concept plan for Planning Area 38, a conceptual site plan for the treatment of the Edison easement open space spine within Planning Area 38 shall be submitted to the City by the developer for review and approval. The plan will establish the general relationship of the open space spine to the adjacent development. The plan shall address the following items: (1) the overall setback treatment within Planning Area 38, (2) connection with the Peters Canyon Wash Corridor, (3) type of trails, (4) landscape elements, and (5) other design features.

E. I-405/Edison easement. The I-405/Edison easement open space spine is an east/west spine that is located in the City's center (Planning Areas 12, 14, and 15).

  1. The open space spine shall follow the I-405/Edison easement and be designed to accommodate and provide for the trail systems adopted in the General Plan circulation element.

  2. At the time of entitlement for Planning Area 12, a conceptual site plan for the treatment of the open space spine within Planning Area 12 shall be submitted to the City by the developer for review and approval. The plan will establish the general relationship of the open space spine to the adjacent development. The plan shall address the following items: (1) the overall setback treatment within Planning Area 12, (2) connection with the Jeffrey Road open space trail, (3) type of trails, (4) landscape elements, and (5) other design features.

F. Mason Regional Park. The Mason Regional Park open space spine is an east/west spine that is located in the southern portion of the City (Planning Areas 21 and 24).

  1. The open space spine shall follow Mason Regional Park and be designed to accommodate the trail systems adopted in the General Plan circulation element.

  2. Coordinate with the appropriate County agencies to ensure that the trail systems are developed.

  3. Encourage the connection and extension of the trail system to Planning Areas 16, 21 and 22 open space systems.

(Code 1976, § V.E-715; Ord. No. 92-3, 4-14-92; Ord. No. 94-7, § 3, 6-14-94; Ord. No. 09-02, § 3, 3-24-09)

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