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Tucson Bird Alliance: Patagonia Lake State Park with Tim Helentjaris

Patagonia Lake State Park 400 Patagonia Lake Rd, Nogales

Residents are still evident this time of year but many winter visitors will also be making their appearance. We’ll be walking up some length of the birding trail, taking stock of what is on the lake, and perhaps checking out the dam area as well. Bring comfortable hiking shoes, water, snacks and lunch, sun protection....

$35 – $50

Tucson Bird Alliance: Birding and Coffee in Oro Valley with Luke Safford & Wild Birds Unlimited

James D. Kriegh Park 23 W. Calle Concordia, Oro Valley

We’ll start the morning by meeting at James D. Kriegh Park in Oro Valley to check the mesquites and open park areas for a variety of birds including Costa’s Hummingbird, Ladder-backed Woodpecker, Say’s Phoebe, Phainopepla, and Rufous-winged Sparrow. This park isn’t birded often, but could hold some good surprises! After birding for about 90 minutes...

Free – $5

Pima County Conservation Lands and Resources: Big Wash Nature Trek

Big Wash Trailhead 1790 E. Rancho Vistoso Blvd., Oro Valley

Join a naturalist-guided walk along Big Wash in Oro Valley, on an easy- to moderate-level trail. In addition to great views of the Santa Catalina Mountains, this area is designated...

$5

Nina Mason Pulliam Rio Salado Audubon Center: Thursday Guided Bird Walk

Nina Mason Pulliam Rio Salado Audubon Center 3131 S. Central Ave., Phoenix

Join us for a walk through the Rio Salado habitat. Together, we’ll explore the trails, enjoy the sights and sounds of nature, and observe the wildlife that calls this area home. These calm, mindful walks are designed to be accessible and welcoming for all. Please reach out with any accessibility needs so we can ensure...

Free

Boyce Thompson Arboretum: Golf Cart Tour

Boyce Thompson Arboretum 37615 E. Arboretum Way, Superior

Explore the arboretum with our Docents on a golf cart tour! We invite you to join us for an hour long cart ride to some of our most scenic spots of the arboretum. Our knowledgeable Docents will give you insights into our collections and take you to the best photo ops the gardens have to...

Arizona Science Center: Homeschool Workshop – Teen Dissections – Squid

Arizona Science Center 600 E. Washington St., Phoenix

Join us for a month-long learning adventure with CAMP INNOVATION: Homeschool Unit Study - Teen Dissections, specially designed for homeschool students in grades 7-12! Taking place every Thursday in October at Arizona Science Center, this hands-on program provides students in grades 7-12 with interactive, grade-level appropriate science experiences focused on how to properly dissect different...

$80

The University of Arizona: Kilometer- to micron-scale insights into island arc porphyry genesis

The University of Arizona, Gould-Simpson Building 1040 E. 4th St., Tucson +1 more

Presented by Jack Ward (Lab Analyst, Centre for Ore Deposits and Earth Sciences CODES, University of Tasmania, Australia) This year's colloquium series will consist of a mixture of researchers across the University of Arizona along with visiting scientists as well! The colloquium series will be conducted in the Gould-Simpson “Fishbowl” (2nd floor) from 2-3PM on Thursdays....

Free

Maricopa County Library District: Curious By Nature

MCLDAZ - Georgia T. Lord Library 1900 N. Civic Square, Goodyear

Discover the wonders of the natural world through hands-on STEAM exploration at Curious by Nature! For children ages 6 to 12 and their caregivers, Curious by Nature helps young explorers ask questions, solve problems, make observations, and learn about the world around us. Join us as we discover, investigate, and have fun together. Drop-in and join us, space...

Free

Maricopa County Parks and Recreation: Ethnobotany Hike

McDowell Mountain Regional Park 16300 McDowell Mountain Park Dr. MMRP, Fountain Hills

Join Ranger Jacque for a special evening hike to explore the edible plants of the Sonoran Desert. We will walk along the Wagner Trail, identifying native plants that have served as vital food and medicinal sources for generations of inhabitants. This 2.2-mile loop is rated easy, featuring gravelly terrain and 124 ft elevation change. Please...

Free with Park Fee

Reid Park Zoo: Boo at the Zoo 2026

Reid Park Zoo 3400 Zoo Court, Tucson

Enjoy A Bewitching Evening! Dig up your zombies and grab your ghouls! Show off your boo-tiful costumes at Reid Park Zoo for a delightful, not too frightful, family friendly evening at Boo at the Zoo, presented by One AZ Credit Union. You’ll have an enchanting time with the whole family at this Tucson Halloween tradition. Proceeds...

Free – $16

Maricopa County Parks and Recreation: Creepy Crawly Critters Hike

San Tan Mountain Regional Park 6533 W. Phillips Rd., Queen Creek

Spiders, scorpions, and snakes OH MY! It’s spooky season in the Sonoran Desert and Ranger Shaun is here to celebrate! Come along on this Halloween themed hike to look for creepy crawlies in the desert with flashlights and blacklights and learn about how the spooky things in the desert get by! Where do they live,...

Free with Park Fee