Due to the dry climate of Death Valley, you must drink more water here than in other places, even in the cooler winter months. Always carry adequate water (at least 2 liters for a short winter dayhike, 1 gallon or more for longer warm season hikes and overnighters).
The risk for mosquito activity is extremely high. Wear long-sleeved shirts and pants when spending time outdoors to prevent bites. The risk for mosquito activity is high. Consider an EPA-registered repellent to deter mosquito bites.
If you like the idea of exploring sand dunes, climbing down into an extinct volcano, hiking through canyons, and seeing one of the United States' most unique landscapes, Death Valley is calling your name. With 2 days in Death Valley, you can see the main highlights, although more time allows you to explore further.
The highs for Death Valley in the spring months average between 82-100°F (27-38°C) with lows averaging 55-73°F (13-23°C). March and through mid-April are great months to visit the park, but by end of April into May starts the consistent 100 degree days.
Avoid hiking in the heat: Do not hike in the low elevations when temperatures are hot. The mountains are cooler in summer, but can have snow and ice in winter. Travel prepared to survive: Stay on paved roads in summer. If your car breaks down, stay with it until help comes.
That hot, dry air in Death Valley National can have a pretty big impact on your vehicle's performance. You'll even see signs in a few areas of the park advising drivers to turn off the car's air conditioner so that it doesn't overheat.
If you don't have car access, then the Bundu Bus will be the next cheapest option. The bus travels through Death Valley on its way from Las Vegas to Yosemite and the $89 one-way fare includes a guided tour of a portion of the park.
In fact, the park is a Gold Tier Dark Sky Park, according to the International Dark-Sky Association, meaning Death Valley at night has some of the darkest skies around. That makes it a perfect playground for laying back and gazing upon faraway galaxies.
Why is it called Death Valley? Death Valley was given its forbidding name by a group of pioneers lost here in the winter of 1849-1850. Even though, as far as we know, only one of the group died here, they all assumed that this valley would be their grave.