Sky Island Alliance

A woman using a meter stick to measure the height of a short saguaro. Around her are other volunteers.

NPS Photo

 
A woman bending to put a flag on a short saguaro. Around her are an ocatillo, chollas, and other saguaros.

NPS Photo

 
Volunteers looking at a small saguaro.

NPS Photo

 
Two volunteers using a clinometer. To their right is a park staff holding a clipboard.

NPS Photo

 
Back of two men. They are seen looking through a clinometer to find the height of a saguaro ten meters away from them.

NPS Photo

 
Two volunteers looking through a clinometer. Bahind them are two tall saguaros.

NPS Photo

 
A woman looking through a clinometer. In front of her is a measuring tape on the ground leading towards a saguaro.

NPS Photo

 
Volunteers on plot 32.

NPS Photo

 
A woman holding a meter stick next to a saguaro to find its height.

NPS Photo

 
Pin cushion with unusual growth form.

NPS Photo

 
A woman holding a meter stick next to a saguaro. In front of her is another woman reading the saguaro's coordinates to a man.

NPS Photo

 
A small saguaro with an orange flag.

NPS Photo

 
Park staff kneeling to measure the height of two short saguaros next to each other.

NPS Photos

 
A volunteer looking through a clinometer.

NPS Photo

 
Volunteers on plot 32.

NPS Photo

 
A woman measuring the height of a small saguaro with an orange flag.

NPS Photo

 
A volunteer holding a measuring tape.

NPS Photo

 
A volunteer using a GPS device to find the coordinates of a saguaro.

NPS Photo

 
Group photo of volunteers after the census. Behind them is a tall saguaro with at least five arms.

NPS Photo

 
Volunteers and park staff posing like a saguaro.

NPS Photo

 
 

Last updated: May 6, 2025

Contact Info

Mailing Address:

3693 S Old Spanish Trail
Tucson, AZ 85730

Phone:

520 733-5153
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