How cold is Devil's Den water?
How cold is Devil's Den water? The water temp is a constant 22°C/72°F year-round. Devil's Den is a geological formation known as a karst fenster (karst window). The diving area is actually a subterranean river, and the steam that rises through the window on cold winter morning is how the dive site got its name.
Is Devils Den a hard hike?
Generally considered a moderately challenging route, it takes an average of 29 min to complete. This is a very popular area for hiking, running, and walking, so you'll likely encounter other people while exploring. The trail is open year-round and is beautiful to visit anytime.
What is at the bottom of Devils Hole?
Devils Hole itself is a water-filled cavern cut into the side of a hill. The cavern is over 500 feet (152 m) deep and the bottom has never been mapped. Devils Hole provides its resident pupfish with conditions of constant temperature (92°F, 33°C) and salinity, unlike the fluctuating environments of many other pupfish.