| Directions | miles | |
| 1 | Starting at Phoenix, AZ, begin on HWY 17 heading south for 5.5 miles | 0.0 | 
| 2 | Turn right on HWY 10 heading west for 28.2 miles | 5.5 | 
| 3 | Turn left on 85 SPUR heading south for 4.1 miles | 33.7 | 
| 4 | Turn right on HWY 85 heading south for 43.8 miles to Ajo, AZ | 77.5 | 
| 5 | Continue on HWY 85 heading south for 17.2 miles to Why, AZ | 84.7 | 
| 6 | Continue on HWY 85 heading south for 22.6 miles to Lukeville, AZ | 107.3 | 
| 7 | US BORDER. HWY 85 becomes Mexico 8You are now in Sonoita, Sonora, Mexico | 107.3 | 
| 8 | Continue through Sonoita on 8 for ~1.5 to first intersection | 108.8 | 
| 9 | Go left at intersection for a half a block to a "Y" in the road | 109.0 | 
| 10 | Bear Right at "Y". You should pass Vasquez's on your left. | 109.1 | 
| 11 | Continue through stop light. You are still on Mexico 8. Continue approximately 94 km (58 miles) south. | 109.1 | 
| 12 | Puerto Penasco. You're here! | 167 |