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Kitt Peak National Observatory (KPNO) is home to the most diverse collection of astronomical observatories on Earth for nighttime optical and infrared astronomy and daytime study of our sun. With 26 telescopes on the premises and partnerships with world-leading institutions such as the Massachusetts Institute of Technology (MIT), Harvard University, and Yale University just to name a few, it is...

Baboquivari Peak via Summit Trail is an out-and-back trail that takes you by a river located near Topawa, Arizona.

Baboquivari: trail to Lions Ledge is an out-and-back trail where you may see beautiful wildflowers located near Topawa, Arizona.

Cienega Trail is a loop trail that provides a good opportunity to view wildlife located near Arivaca, Arizona.

Named for a Native American police chief, the Hugh Norris trail takes you from lush (by desert standards) Saguaro and cholla forests to the top of rugged Wasson Peak.  On top of the peak, you'll have sweeping views of the city of Tucson, as well as the surrounding mountain ranges.  Depending on your hiking speed this hike can be a full day commitment, but well worth it.  The trailhead is locate...

Hugh Norris, Sendero Esperanza, Dobbie Wash Loop is a loop trail in Saguaro National Park located near Tucson, Arizona.

A popular trail in the Tucson Mountain District of Saguaro National Park, Signal Hill is a highlight of the park with a small summit to a boulder field with many petroglyphs and views for several miles.  The petroglyphs date to the 13th and 14th centuries and were created by the Hohokam people.  This is a easy trail attached to a nice picnic area. It can be very hot from May - October so late f...

Cactus Wren Trail is a loop trail where you may see beautiful wildflowers located near Cortaro, Arizona.

Valley View Overlook Trail is an out-and-back trail where you may see wildflowers located near Tucson, Arizona.