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Maricopa County Parks and Recreation: City Nature Challenge Hike

Join Ranger Jacque on a brief hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition. Citizen Science Month 2026 is an official partner of America 250, the campaign to celebrate the United States of America’s semiquincentennial anniversary.  

The City Nature Challenge is a global competition between cities to document biodiversity in regions around the world. Ranger Jacque will lead a hike with stops along the way to take phone photos of flowers, trees, cacti, birds, bugs, fungi and more to boost the number of observations for Team Phoenix. The route is 2 miles on the easy Merkle Trail and moderate Vista Trail, the latter of which is a half-mile trail to a hilltop lookout with 168 ft. elevation gain. Expect rocky and fairly steep terrain going up and down the hill, while the rest of the hike is on a barrier-free, level trail. You can prepare for this hike by downloading the free iNaturalist app at home on wi-fi and registering your account before you come to the park.

For more information, visit City Nature Challenge visit http://citynaturechallenge.org and for iNaturalist visit http://inaturalist.org; for America 250 visit https://www.maricopa.gov/6707/America250#other. (Please wear closed-toe shoes and sun protection (hat, sunscreen, sunglasses) and bring plenty of water. Be sure to bring your phone fully charged to take photos; you can upload them to the app in real time or later at home. Restrooms are available at the trailhead.

MEETING LOCATION: Area 6 (Merkle Trailhead)

Precise Meeting Location: https://maps.app.goo.gl/Ps3agU2K2TCNmMCx5

No registration required. 

  • Date Custom 04/25/2026
  • Allowed Ages Ages 6+
  • Audience Kids (6 - 8 years), Tweens (9 - 12 years), Teens (13 - 18 years), Adults
  • Genre Conservation and Sustainability, Field Sciences
  • Type Field Trip/Outdoor Activity, Tour/Walk

The event is finished.

Date

Apr 25 2026
Expired!

Time

7:30 am - 9:15 am

Cost

Free with Park Fee

More Info

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Labels

East Valley

Location

Usery Mountain Regional Park
3939 N. Usery Pass Rd., Mesa, AZ, 85207

Organizer

Maricopa County Parks and Recreation
Phone
602-506-2930
Email
maricopacountyparks@maricopa.gov
Website
https://www.maricopacountyparks.net/
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