California State Route 190 California State Route 190 State Route 190 (SR 190) is a state highway in the U.S. state of California that is split into two parts by the Sierra Nevada. The western portion begins at Tipton at a junction with State Route 99 and heads east towards Porterville before ending at Quaking Aspen in the Sequoia National Forest. The eastern portion begins at US 395 at Olancha, heads east through Death Valley National Park, and ends at State Route 127 at Death Valley Junction. The 43.0-mile (69.2 km) portion over the Sierra Nevada remains unconstructed, and the California Department of Transportation
Death Valley Moving masses of super-heated air blow through the valley creating extremely high temperatures. The hottest air temperature ever recorded in Death Valley was on July 10, 1913, at Furnace Creek, which is the highest atmospheric temperature ever recorded on earth. During the heat wave that peaked with that record, five consecutive days reached or above. Some meteorologists dispute the accuracy of the 1913 temperature measurement. The highest surface temperature ever recorded in Death Valley was on July 15, 1972, at Furnace Creek, which is the highest ground surface temperature ever recorded on earth, as well as the only recorded surface