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Robbins Butte Wildlife Area
The Gila River corridor features diverse habitats that draw large populations of resident and migratory wildlife to this area. From the top of Robbins Butte, one can see a broad overview of the river corridor and adjacent desert regions. Ruins and petroglyphs document the importance of this area...
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Base & Meridian Wildlife Area
Description: Base & Meridian Wildlife Area is a unique, urban riparian and marshland area, with outstanding views over the Gila River valley from Monument Hill. It was named for Monument Hill, the small mountain just south of the wildlife area where the Township and Range coordinate system for mapping all of Arizona is centered. The wildlife area is a unique riparian habitat amidst the desert and increasingly urbanized landscape.

Wildlife to Watch: An excellent wildlife viewing site, visitors can see herons, egrets, osprey, double-crested cormorants, and other fish-eating birds. Also relatively easy to view are numerous birds of prey, as well as black vulture, white-winged and mourning doves, Gambel’s quail, American coot, common moorhen, Abert’s towhee, and occasionally American white pelicans. Huge nesting colonies of cliff swallows can be found under the bridge during the spring and summer. Monument Hill is home to both rock and canyon wrens. During the winter large numbers of warblers, mostly yellow-rumped and orange-crowned, forage in the riparian vegetation and should be searched through to find the less common black-throated gray warbler, Townsend’s warbler, or even rarer species. Also during the winter, large numbers of blackbirds (red-winged, yellow-headed, Brewer’s, and brown-headed cowbirds) roost at night in the marshland vegetation, and it is always a treat to see the swirling flocks emerge at dawn. Mammals that can be seen include beaver, bobcat, desert kangaroo rat, and javelina. Numerous reptiles and amphibians are also found on site including tiger whiptail, common side-blotched lizard, desert spiny lizard, gophersnake, common kingsnake, checkered gartersnake, Couch’s spadefoot, and Great Plains toad.

Special Tips: 

Ownership: Arizona Game & Fish Department 
Size: 200 acres 
Closest Town: Avondale


Best Seasons for Wildlife Viewing:

Cliff Swallow - photo by USFWS
Use link below please

Driving Directions:
From Avondale, go south on Avondale Boulevard to bridge over Gila River. Parking at NE corner of bridge and at first entrance to Phoenix International Raceway grounds.

For more information call 480-324-3552.

Map Link

Base & Meridian Wildlife Area : Wildlife Viewing Area