Tucson Amateur Astronomy Association: Stargazing at Catalina State Park Apr 17 Tucson Amateur Astronomy Association: Stargazing at Catalina State Park 7:30 pm - 9:30 pm Free with Park Fee
Arizona State Parks & Trails: Star Party at Catalina State Park Apr 17 Arizona State Parks & Trails: Star Party at Catalina State Park 7:30 pm - 9:30 pm Free with Park Fee
Tucson Bird Alliance: Mason Center & Arthur Pack Park Field Trip Apr 18 Tucson Bird Alliance: Mason Center & Arthur Pack Park Field Trip 6:30 am - 9:30 am Free – $5
Tucson Bird Alliance: Explore the Tanque Verde Wash Apr 18 Tucson Bird Alliance: Explore the Tanque Verde Wash 7:00 am - 9:30 am Free – $5
Tucson Bird Alliance: The Less-Travelled Danny Lopez Park Field Trip Apr 18 Tucson Bird Alliance: The Less-Travelled Danny Lopez Park Field Trip 7:30 am - 10:00 am Free – $5
Rio Salado Audubon Center: Saturday Morning Guided Birding Apr 18 Rio Salado Audubon Center: Saturday Morning Guided Birding 8:00 am - 9:00 am Free
