Harts Pass (515) - Site Information and Reports Quick Links Snow & Climate Monitoring Water Supply Climate Support Data Access Help About Us SNOTEL Site: Harts Pass State: Washington Site Number: 515 County: Okanogan Latitude: 48 deg; 43 min N Longitude: 120 deg; 40 min W Elevation: 6490 feet Reporting since: 1979-10-01 Questions about this site. No trailers allowed. The worst part of this road is not the sheer drop offs, its the people barreling down the road thinking nobody else is trying to go the opposite direction. SEASONAL ROAD CLOSURE: Roads within and around Okanogan-Wenatchee National Forest are subject to seasonal closure. Directions: There are two ways to get to Harts Pass. John Rummel / Google There are two ways to reach it. From Mazama, Washington head north on the Lost River Road NF-5400. Slate Peak Trailhead can be reached by continuing past Harts Pass for 2.7 miles. This road is very rough, winding and narrow in places, and can be quite harrowing in the dark or in bad weather. Snow Station Information - HARTS PASS SNOTEL - National Oceanic and Drove the trail all the way to the end where you will find 2 gates blocking the way. The town used to be open to tourists to explore and take pictures, but that is no longer the case. (HRPW1) HARTS PASS SNOTEL. High clearance vehicles recommended. For current conditions and water availability, go to: $10/Night for single unit plus $5 per additional vehicle (2 vehicles maximum per site). dangerousroads.org is not responsible for the information contained in these pages. The highest point is the Slate Peak Lookout, which is over 7,000 feet high and offers incredible views. Summited Slate Peak in morning when it was 40 degrees cooler. Started to late and temperature hit 90 on way up. Harts Pass Road temporarily closed due to rock and debris slide at Dead Horse Point. Wildflowers just starting but still pretty.