Tres Rios - FAQs

Frequently Asked Questions

What does Tres Rios mean?

Tres Rios is Spanish for "three rivers."  The Salt, Gila, and Agua Fria Rivers join together near Avondale Boulevard. 

Is the Tres Rios Wetlands open to the public?

Yes. Non-motorized recreation is permitted from 91st Avenue to Avondale Boulevard with a free access permit.  Permits are valid for unlimited visits for three (3) months between sunrise and sunset.

How can I obtain a permit? 
Contact Heather Finden at (602) 495-7477 or email  
Permits are issued business hours Monday through Friday.  Please note that it may take up to five days for you to receive a permit. 

What can I do at Tres Rios? 
The project was designed with passive recreation activities in mind – walking, hiking, bicycle riding, birdwatching, horseback riding, photography, fishing, etc.  There is a lot to see along the Salt River.

Is fishing allowed?  
Fishing is permitted on city of Phoenix property with both a Tres Rios Access Permit and 
valid Arizona Game and Fish Department fishing license for individuals over 13 years of age.  License information can be found at

Can I hunt at Tres Rios? 
The Tres Rios area falls within Arizona Game Management Unit 26M.  The boundaries for this unit have changed and hunting is limited.  Hunters must abide by all state and local regulations for this region including hunting in season with shotgun only, maintaining a distance of ¼ mile away from occupied structures, trails, and wetlands.  Hunting information may be found at Target shooting and the discharge of firearms is prohibited. 

Are off-road, all-terrain vehicles permitted?  
No.  All vehicles must be parked in the designated parking lot at 91st Avenue.  Off-road vehicles disrupt wildlife, erode soil, damage vegetation, and disturb other visitors.  Please note, the areas surrounding Tres Rios include private, state, and Indian community land.  Driving in the river bottom is not permitted.    


Beavers - Wetlands and Wildlife

Wild at Heart

Liberty Wildlife

Sonoran Audubon Society

Maricopa Audubon Society

U.S. Fish and Wildlife Service

Arizona Game and Fish Department​