Lake of the Woods
Klamath County, OregonView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Oligotrophic
- #5 of 17 in the county
- 88 ft max depth
- Public access
- Limited data
Lake of the Woods in Klamath County, Oregon has a water quality grade of A (Excellent). Chlorophyll-a (algae): 1.2 µg/L.
- Max depth
- ~88 ft est.
- Type
- Oligotrophic
- Chlorophyll-a
- 1.2 µg/L
- Trend
- ↑ Improving
- Public access
- Yes
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Watch Lake of the Woods’s letter
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Lake of the Woods is a cold, clear oligotrophic lake in Klamath County, Oregon with an estimated average depth of about 88 feet. Water quality is graded A based on 1 sampling years through 2025. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 3 public boat landings. Compared to the 16 other monitored lakes in Klamath County, Lake of the Woods ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled 2025-10-01. Grade methodology: LakeQuality methodology.
What Lake of the Woods is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
- Camping2 public campgrounds nearby
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
No clarity data. Chlorophyll-a 1.2 µg/L. TSI 32. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 1.2 µg/L | Good |
| Trophic State Index (TSI) | 32 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~88 ft est. |
| Average Depth | ~62 ft est. |
| Public Access | Yes |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Oregon has not published bathymetry for Lake of the Woods.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Sunset CampgroundPublic
- Rainbow BayPublic
- Aspen Point CampgroundPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Lake of the Woods
- Aspen Point Campground0.7 km
- Doe Point Campground2.5 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Fishing Lake of the Woods
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Chlorophyll-a | ↑ Improving | -0.3 µg/L/yr | 2 |
County Ranking
Ranked #5 of 17 lakes in Klamath County
Nearby Lakes in Klamath County
Frequently asked questions about Lake of the Woods
Where is Lake of the Woods?
- Lake of the Woods is a lake in Klamath County, Oregon. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake of the Woods?
- Lake of the Woods in Klamath County, Oregon has a water quality grade of A (Excellent). Chlorophyll-a (algae): 1.2 µg/L.
Is Lake of the Woods safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
How deep is Lake of the Woods?
- No published bathymetric survey covers Lake of the Woods, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 88 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Are there boat ramps on Lake of the Woods?
- Lake of the Woods has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Sunset Campground, Rainbow Bay, Aspen Point Campground. Public access is listed as yes.
Are there campgrounds on Lake of the Woods?
- Lake of the Woods has 2 public campgrounds from USGS The National Map within 5 km, including Aspen Point Campground, Doe Point Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Lake of the Woods across LakeQuality
Species activity outlook by water temperature and season
Where to stay at Oregon's top lakes, each with its grade
Low nutrients, clear water. The letter is not a swimming clearance.
Oregon's cleanest and most-polluted lakes, ranked
Planning a trip around Crater Lake?
Lake of the Woods is about 39 miles from Crater Lake National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Crater Lake →More Oregon Lake Rankings
Other Grade A Lakes in Oregon
Oligotrophic Lakes in Oregon
Where this data comes from
8 measurements from 1 monitoring station, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Department of Environmental Quality - State of Oregon
OREGONDEQ8 samples · 2024–2025
Analytical methods
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles