Originally Posted by
VegasJen
There's a portion of trail in Henderson (Nevada) called "the Three Sisters". Absolutely brutal. In just about 3/4 of a mile it's right at 200ft of total elevation, but that's up and down several hills. The steepest averages 18% for about 100ft elevation increase in just about .2 miles.
+100 ft in .2 miles is under 10% avg grade.
Math.