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diamond lake

Diamond Lake

NEW! As of Jan. 1, 2013, Diamond Lake is open to year-round fishing, including ice fishing. Use of live bait fish is prohibited.

2013 Fishing Season Highlights

  • Season Limits: 8 trout/day, 8-inch minimum length with one over 20 inches and 2 daily limits in possession.
  • Fish stocking: 166,000 fingerlings.
  • Boat speed limit: 10 mph.
  • Trout season: open all year

Keep Diamond Lake Fishable and Swimmable

In 2006, ODFW used rotenone to rid Diamond Lake of 95 million tui chub, a bait fish illegally introduced in the late 1980s. The treatment was a success and no tui chub have been found since then.

Golden shiners, another bait fish, showed up in ODFW’s trap nets in 2008. ODFW will continue using a variety of methods to monitor and remove shiners during peak spawning. Staff will also conduct creel surveys and educate boaters and anglers on invasive species prevention.

Keeping Diamond Lake “fishable and swimmable” is in the hands of everyone who enjoys it. Anglers and lake users should clean their boat, fishing and swimming equipment before entering Diamond Lake.

Report any use of live bait fish to Oregon State Police at 541-440-3334.

The Joe Merchep Umpqua River Foundation is offering a reward for anyone providing information leading to the arrest and conviction of a person who unlawfully places or plants or causes to be placed or planted any live fish in Diamond Lake. Contact Oregon State Police or the TIP line at 1-800-452-7888.


ODFW monitoring plans for this summer include creel surveys, golden shiner sampling, trout creel surveys, benthic macroinvertebrate sampling, invasive species boat surveys, trout growth rates and trout condition factors.

With our partners, including the U.S. Forest Service, Portland State University, and MaxDepth Aquatics, monitoring for 2013 will also include zooplankton, phytoplankton, and water quality sampling.

2009 Management Plan



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