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Callippe Preserve Golf Course

The City of Pleasanton has completed construction of an 18 hole municipal golf course and open space project in the southern portion of the City known as Happy Valley.

The site is situated in a picturesque flat and rolling hill area surrounded by undeveloped hillside open space. Distinguishing site characteristics include: exceptional views of Mount Diablo, the Pleasanton Ridgelands, and other closer hillside areas; numerous stands of oak woodland; and valuable wildlife habitat areas.

The Golf Course is designed to accommodate all ages and levels of experience by way of multiple tee areas for each hole. In addition to playability, the Course is designed to minimize impacts on the natural environment, and the outlying open space areas are to be enhanced to improve wildlife habitat conditions.

The 145 acre Callippe Preserve Golf Course is an 18-hole, par 72 course that is 6,800 yards. Course facilities include:

  • 7,400-square-foot ranch style clubhouse
  • Short-game practice area and 20-stall practice range
  • 4,700-square-foot cart storage building
  • 19,000-square-foot maintenance yard area with a 5,500-square-foot maintenance/storage building and parking for 30-staff vehicles
  • 154-space public parking lot.

Surrounding the Golf Course is 280 acres of land that is to be preserved as permanent open space. This includes 173 acres to be retained under City ownership and 107 acres of the Koopmann Ranch to be permanently protected by a conservation easement. Public access through the City-owned open space is provided by a hiking and equestrian trail that circles the Golf Course and offers spectacular views of the Course and the outlying Tri-Valley area.

A total of 34 approximately ½-acre home sites are to be privately developed around the northern and eastern edges of the Golf Course to help finance a portion of the project costs. Homes are to be constructed in accordance with carefully prepared "semi rural" design guidelines.

The golf course is named in recognition of the Callippe Silverspot Butterfly. The Callippe Silverspot Butterfly is a member of the Nymphalidae, or brush-footed butterflies. The Callippe Silverspot has a wingspan of approximately 4.5 cm and is mainly orange, tan and brown. The name "silverspot" refers to silvery patches of scales on the undersides of the wings. Historically this utterly inhabited grasslands ranging over much of the northern San Francisco Bay region. The type locality, or site from which the subspecies was first recognized, is the City of San Francisco. On the San Francisco peninsula, this butterfly is now only known from San Bruno Mountain (approximately 10 miles south of San Francisco). In the East Bay, it was known from Richmond in the north to Castro Valley in Alameda County. The project includes a 30-acre habitat for this endangered butterfly.

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