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Oregon Highway-138 (OR-138) is known locally as “The
Highway of Waterfalls.” It is also
one leg of the Rogue-Umpqua Scenic Byway, one of America’s Byways.
OR-138 is shown in bold red on the map to the
left. It begins west of Interstate-5
at a Junction with OR-38, runs west to Interstate-5 Exit 136, then shares
the I-5 roadway south to I-5 Exit 124, in Roseburg, and then heads east up
the valley of the North Umpqua River into the Cascade Mountains, toward the
Diamond Lake Recreation Area and Crater Lake National Park.
This highway offers a beautiful drive through Douglas
Fir forests curving up through the Umpqua Valley, a lot of the time in view
of the river
The Umpqua River goes over 15 waterfalls on its way down
the Umpqua Valley on the west side of the Cascade Mountains. The waterfalls are well marked from the
Once OR-138 leaves the headwaters of the Umpqua it
heads south to go around the east shore of Diamond Lake. Diamond Lake is a US Forest Service
recreation area with campgrounds and resorts.
4 miles south of Diamond Lake is the north entrance to
Crater Lake National Park.