SIR 600K--4 Passes
Ride description from the SIR website:

"This should be a terrific ride with several good climbs and some of the best scenery our state has to offer. It is a repeat of the 2002 “4 Passes” 600K, but it will be ridden in reverse.

We will leave Issaquah and work our way through the Snoqualmie River valley and on to Sultan where we’ll join Highway 2. We’ll head over Stevens Pass, and then down to Leavenworth, where we’ll turn south. Our second major climb will be over Blewett Pass. We then head down to Ellensburg, and with the wind at our backs, we’ll take the Yakima River Canyon Rd. to Selah. From Selah, we’ll ride Highway 12 past the town of Naches and on to the Silver Beach Resort at Rimrock Lake, where we’ll have our overnight stop (about the 400 km point).

After a rest, we’ll climb White Pass, and then descend down to highway 123 where we’ll head north and join the RAMROD course, passing Ohanapecosh before climbing Cayuse Pass. We’ll then descend down to Enumclaw. From Enumclaw, we’ll make our way back to Issaquah using back roads. "
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