Dorado Needle is an mountain summit located in North Cascades National Park in Skagit County of Washington state. The peak lies 0.73 miles north of Eldorado Peak and southeast of Perdition Peak. It can be seen from the North Cascades Highway west of Marblemount at a road pullout along the Skagit River. The first ascent of the peak was made in July 1940 by Lloyd Anderson, Karl Boyer, and Tom Gorton via the Northwest Ridge. Precipitation runoff and glacier meltwater from the mountain drains into tributaries of the Skagit River.