Diamond Lake

Diamond Lake is a natural body of water in the southern part of the U.S. state of Oregon. It lies near the junction of Oregon Route 138 and Oregon Route 230 in the Umpqua National Forest in Douglas County. It is located between Mount Bailey to the west and Mount Thielsen to the east; it is just north of Crater Lake National Park.

The outlet of the lake is at its north end. From there, water flows via Lake Creek into the North Umpqua River.

Motors are allowed but there is a 10-mph speed limit on the lake.


From Roseburg, OR, turn onto OR 138 east / northeast Diamond Lake Boulevard, drive 80 miles east on Highway 138. Turn right onto Forest Road 4795 (Diamond Lake Loop) at the north entrance to Diamond Lake Recreation Area. Proceed 2.5 miles to the campground entrance.

From Klamath Falls, OR, or Bend, OR, use Highway 97.

From Medford, OR, use Highway 230.


  • 4-7wt Rods
  • Large Arbor Reel
  • Floating Fly Line
  • Rio Hover Line
  • CamoLux
  • Leader 9' 3x-5x
  • Tippet




  • Simi Seal Leech
  • Mini Leech
  • Balanced Leech
  • GOAT Leech
  • Pig Pen Leech
  • Swimming Leech
  • Ruby Eyed Leech
  • Scott's Damsel Bugger


  • Tungsten Zebra Midge


  • Hackle Stacker, Callibaetis
  • Adult Wiggle Damsel
  • Adult Damsel


  • Marabou Damsel
  • Damsel
  • Damsel Nymph
  • Dragon
  • Lake Dragon
  • Sierra Damsel
  • Gold Bead Hare's Ear