Cacti in White Tank Mountain Regional Park near Waddell. Area context photograph; the business or event in this story is not pictured. Photo: Venske · CC BY-SA 3.0
White Tank Mountain Regional Park hosts Butterfly Monitoring from 8:30 a.m. to noon Saturday, Sept. 19 at Parking Area 4, part of the Parks for Pollinators Bioblitz: learn to identify butterflies while logging population data for Maricopa County. Ages 18 and up (13 and up with a parent), bring water, a hat and closed-toe shoes, register at signup.com. Then Ranger Derik leads a 3-mile Morning Cactus Hike on the Grey Fox trail at 7 a.m. Tuesday, Sept. 22, capped at 30; call (602) 506-2930 ext. 5 by Sept. 21.
This brief records the information reported on Sep 14, 2026. Opening dates and operating details may have changed.
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Cacti in White Tank Mountain Regional Park near Waddell. Area context photograph; the business or event in this story is not pictured. Photo: Venske · CC BY-SA 3.0
White Tank Mountain Regional Park lists its Saguaros at Sunset hike for Thursday, November 12, 2026, from 6 to 8 p.m. Ranger Derik will lead a three-mile walk on easy, sandy terrain with little elevation gain. Meet at the South trailhead in the park, 20304 W. White Tank Mountain Road in Waddell. Registration is required: call the Nature Center at (602) 506-2930, extension 5, by November 11. The group is limited to 25 participants. Bring a flashlight and water, and wear protective clothing and sturdy shoes. Check with the park for remaining availability.
Source: Maricopa County Parks and RecreationCacti in White Tank Mountain Regional Park near Waddell. Area context photograph; the business or event in this story is not pictured. Photo: Venske · CC BY-SA 3.0
Ranger Shaun leads a roughly two-mile Waterfall Trail hike at White Tank Mountain Regional Park on Saturday, Oct. 31, 2026, from 7 to 9 a.m. Meet at the Waterfall Trailhead; the park is at 20304 W. White Tank Mountain Road in Waddell. No registration is required. Bring water and wear closed-toe shoes. The waterfall is seasonal, so flowing water is not guaranteed. Check the park for entry fees and current trail conditions before visiting.
Source: Maricopa County Parks and RecreationCacti in White Tank Mountain Regional Park near Waddell. Area context photograph; the business or event in this story is not pictured. Photo: Venske · CC BY-SA 3.0
White Tank Mountain Regional Park lists a bird walk with Tom Locascio on October 24, 2026, from 6:30 to 10 a.m., followed by a Nature Center presentation. Meet at the Nature Center, 20304 W. White Tank Mountain Road. Registration is required and limited to 12 people; call 602-506-2930, extension 5, to ask about availability. Pets are not allowed, except service animals. Check the park for applicable entry fees. Check the park listing before visiting for weather-related changes.
