Friday, April 17, 2026

• Cave Creek - Invasive Species Removal

  April 17, 2026 - (07:00 AM - 10:30 AM)

  Cave Creek Regional Park
  37019 N. Lava Lane
  Cave Creek, AZ , 85331

  (602) 506-2930 ext 8

  Desert Defender volunteers needed! Join us in removing invasive species and reducing the wildfire risk in Maricopa County Regional Parks.
• Estrella - Invasive Species Removal

  April 17, 2026 - (07:00 AM - 10:30 AM)

  Estrella Mountain Regional Park
  14805 W. Vineyard Ave.
  Goodyear, AZ , 85338

  (602) 506-2930 ext. 6

  Desert Defender volunteers needed! Join us in removing invasive species and reducing the wildfire risk in Maricopa County Regional Parks.
• Plant Hike (Registration Required, Limit 20 Participants)

  April 17, 2026 - (07:30 AM - 10:00 AM)

  San Tan Mountain Regional Park
  6533 W. Phillips Road
  Queen Creek, AZ , 85144

  (602) 506-2930 ext 7

  Join Ranger Jacque on a moderate hike to search for and learn about a variety of flowering plant life, including wildflowers, shrubs, and cacti. Click program title for more
  details.
• City Nature Challenge Practice Hike (Registration Required, Limit 20 Participants)

  April 17, 2026 - (11:30 AM - 01:00 PM)

  Estrella Mountain Regional Park
  14805 W. Vineyard Ave.
  Goodyear, AZ , 85338

  (602) 506-2930 ext. 6

  Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Click on program title for more details.
• Discovery Station: Be a Citizen Scientist!

  April 17, 2026 - (11:30 AM - 01:00 PM)

  Lake Pleasant Regional Park
  41835 N. Castle Hot Springs Rd.
  Morristown, AZ , 85342

  (602) 506-2930 ext. 2

  Stop by an information table where the Ranger will teach you how to use your phone to identify and document your nature findings to help the scientific community. Click program title for more details.
• Discovery Station: Connect with Nature through your Phone

  April 17, 2026 - (11:30 AM - 01:30 PM)

  San Tan Mountain Regional Park
  6533 W. Phillips Road
  Queen Creek, AZ , 85144

  (602) 506-2930 ext 7

  Stop by an information table where Ranger Jacque will teach you how to use
  your phone to identify and document your nature findings to help the scientific community. Citizen Science Month 2026 is an official partner of America 250, the campaign to celebrate the United States of America’s semiquincentennial anniversary. Click program title for more details.