Ranger Sarah is in Mexico. She sits at the border monument on the Mexican side
— at Coronado National Memorial.

Ranger Sarah at US/Mexico border monument number 102. Standing her she is in both countries at the same time.
— at Coronado National Memorial.

Ranger Sarah sits at the border on the US side at the border monument
— at Coronado National Memorial.

Ranger Sarah has made it to the US/Mexico Border
— at Coronado National Memorial.

Ranger Sarah can just barely make out a fence ahead that is the US/Mexico border as she nears the end of the Yaqui Ridge Trail.
— at Coronado National Memorial.

Ranger Sarah hikes along the Yaqui Ridge Trail (part of the Arizona National Scenic Trail) heading for the US/Mexico Border.
— at Coronado National Memorial.

Ranger Sarah looks at an interesting rock outcropping as she hikes down the Yaqui Ridge Trail towards Mexico.
— at Coronado National Memorial.

Ranger Sarah found some Comanche paper wasp, scientifically known as Polistes comanchus, is a species of paper wasp found from northwestern Mexico to the south central United States.
— at Coronado National Memorial.

Ranger Sarah takes in the view, everything in the distance is Mexico. Ranger Sarah has to descend 600 feet in elevation from the ridge to the US/Mexico Border.
— at Coronado National Memorial.

Ranger Sarah found a Ocotillo (Fouquieria splendens) a plant indigenous to the deserts of the SW United States and Northern Mexico. While semi-succulent and a desert plant, Ocotillo is more closely related to the tea plant and blueberries than to cactuses.

Ranger Sarah looks down into Mexico and the route she will be hiking to get their.
— at Coronado National Memorial.

Ranger Sarah makes the turn on to the Yaqui Ridge Trail. Only a mile to the US/Mexico boarder and the southern terminus of the Arizona National Scenic Trail.
— at Coronado National Memorial.

Ranger Sarah has found a Sotol or Desert Spoon (Dasylirion wheeleri). It's a flowering plant in the asparagus family native to arid environments of northern Mexico and the southwestern United States. Blooming from May to July, the flowering stem grows above the foliage, to a height of 16 ft tall and a diameter of 3 cm.
—Coronado National Memorial.

Ranger Sarah with the view to the south into Mexico.
— at Coronado National Memorial.

Ranger Sarah hikes along the ridge on the Joe's Canyon Trail. The Mountains in the far distance are in Mexico.
— at Coronado National Memorial.

Ranger Sarah has found a cane cholla or Tree Cholla, (Cylindropuntia imbricata). The flowers can range From deep purple to yellow and white. After flowering, small yellow fruits begin developing on the cactus. These fruits are not as sweet as Prickly Pear but are edible.
— at Coronado National Memorial.

Ranger Sarah hikes along the Joe's Canyon Trail. This part of the trail is also the Arizona Trail.
— at Coronado National Memorial.