MYSTERY WELL RANCH
PORTAL, AZ
25AZ identifies Mystery Well Ranch, a privately owned non-towered airport serving Portal, Arizona. Its single dirt runway, 18/36, measures 2,640 feet long and 80 feet wide.
No instrument approaches are published, so the field operates under visual flight rules. Pilots self-coordinate traffic using standard see-and-avoid procedures. There is no fuel service on record. Prior permission is required to operate, as this is a private-use field.
The airport sits at 4,173 feet above mean sea level. At this elevation, density altitude becomes a routine factor pilots must consider during warm weather operations.