This is 741 acre park with 50 acre Arrowhead Marsh that is part of the Western Hemisphere Shorebird Reserve Network. There are many shoreline spots for fishing. A two lane boat launch is located at the south parking lot along Doolittle Drive.Motorized vessels are restricted during certain times of the year due to bird migration and nesting in the marshes. There are picnic areas, restrooms and drinking fountains.
The land around Temescal Lake has a perimeter of under 10 miles. There is one parking lot, multiple drinking fountains and picnic tables, restrooms and a fishing dock. The lake is stocked periodically with rainbow trout through the winter months and catfish in the summer. Largemouth bass, red eared sunfish and bluegill also live in the lake.