Diamond Lake to Crater Lake North Rim — North Cascades High Road Circuit

The tourist version of Crater Lake is Highway 62 and a parking lot full of minivans. The overlander version starts at Diamond Lake on FS Road 4795 and threads south through the pumice desert — one of the most otherworldly stretches of pavement-adjacent dirt in the Pacific Northwest. The North Entrance Road feeds into backcountry spurs off FS 2610 that work along the north rim of the caldera where the trees thin out and the volcanic geology gets loud. You’re driving across ejecta fields from a mountain that didn’t exist 7,700 years ago — Mount Mazama blew itself apart and left behind the deepest lake in the U.S. That context changes how the landscape hits you.

This is largely a high-clearance route, not a technical crawl — loose pumice and seasonal washouts are the main hazards, plus the road closures that hold until late June most years. A stock 4WD truck handles it fine. The bigger issue is weather: afternoon thunderstorms roll in fast above 6,000 feet and the pumice roads turn greasy. Fuel in Crater Lake Village or Chemult. The national park boundary complicates dispersed camping — most legal sites are north of the boundary in Winema and Umpqua National Forests. America the Beautiful pass covers the park entry fee.