Take a look on the park’s website and you’ll find some basic advice about being prepared for likely conditions there. The guidelines counsel hikers to carry two gallons of water each for a day’s walking, to avoid too much activity during the hottest time of the day and to wear a hat, sunglasses and sunscreen. They also point out that there is no cellphone reception in the park.
We still don’t actually know how well equipped for their hike Orbeso and Nguyen were, although members of their families described them as seasoned hikers. Nonetheless, a Joshua Tree National Parks spokesman, George Land, later told The Orange County Register, “They weren’t desert rats. This is a whole different world out here.”