Cooper Lake Boat Launch boat launch
Cooper Lake Boat Launch
The Cooper Lake Boat Launch provides access to the Cooper Lake, which is a popular destination for boating, fishing, and other water-related activities. The lake is approximately 182 acres in size and is located in the Snoqualmie National Forest.
According to the most recent information available, motorized boats are permitted on Cooper Lake, as long as they comply with Washington State boating laws and regulations. Non-motorized craft such as kayaks, canoes, and paddleboards are also allowed on the lake.
In summary, the Cooper Lake Boat Launch is a concrete ramp that provides access to the 182-acre Cooper Lake in Washington. It is wide enough to accommodate a variety of watercraft, including larger boats and trailers, and both motorized and non-motorized craft are permitted on the water.
Plan your launch down to the hour
Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Area streamflow levels
USGS streamgauges around Cooper Lake Boat Launch -- the same readings that determine whether your launch is safe and your boat is the right craft.
| Streamgauge | Discharge | View |
|---|---|---|
| Cedar River Below Bear Creek Near Cedar Falls | 72 cfs | → |
| Sf Snoqualmie River Ab Alice Creek Near Garcia | 126 cfs | → |
| Cedar River Near Cedar Falls | 404 cfs | → |
| Middle Fork Snoqualmie River Near Tanner | 716 cfs | → |
| Icicle Creek Above Snow Creek Near Leavenworth | 963 cfs | → |
| Rex River Near Cedar Falls | 29 cfs | → |
Plan a longer trip
The closest paddle runs, fishing spots, and other boat launches so you can extend a day on the water.
River runs
- Headwaters In Se1/4 Of Sec 29, T24n, R13e To Confluence With Cle Elum River
- Private Land Boundary To Head Of Lake Cle Elum Reservoir
- Alpine Lakes Wilderness Boundary To Private Land Boundary At North Section Line Of Sec 3, T23n, R14e
- Headwaters In Nw1/4 Of Sec 12, T24n, R13e To Alpine Lakes Wilderness Boundary
- Alpine Lakes Wilderness Boundary To Confluence With Tye River
- Lake Dorothy To Alpine Lakes Wilderness Boundary
Boating safety & etiquette
- Check the conditions before you launch
- Use the streamflow numbers, weather, and wind forecast on this page. High-cfs whitewater requires whitewater-specific craft and skill.
- Wear your life jacket
- Statistically the single biggest survival factor in a boating incident. State law often requires one per passenger.
- File a float plan
- Tell someone on shore your put-in, take-out, and expected return time. Especially for multi-day or remote trips.
- Yield at the ramp
- Prep gear in the parking lot, not on the ramp. Launch and clear quickly so others can use the lane.
- Clean, drain, dry
- Inspect, clean, drain and dry your boat between waters to prevent the spread of aquatic invasive species.
Set push alerts in the Snoflo app
Save Cooper Lake Boat Launch as a favorite, set a discharge threshold or a wind/precipitation alert, and the iOS app will push the moment conditions cross.
About Cooper Lake Boat Launch
Can I launch a motorboat here?
Most Snoflo-tracked launches support motorboats; check the operator for any horsepower restrictions, paddle-only zones, or seasonal closures.
How fresh is the streamflow data?
USGS streamgauges report continuously (every 15 minutes); the table on this page pulls the latest reading at page load.
Is there a fee?
Many federal and state boat launches charge a day-use fee. Check the operator's site before driving out.
What boat is right for these conditions?
Use the nearby streamflow numbers and river-run panel on this page to gauge current conditions. Wider, slower water is friendly for casual paddling and powerboats; high-cfs whitewater requires whitewater-specific craft and skill.
Can I get alerts when conditions change?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this launch, set a threshold (discharge, wind), and you'll get a push the moment it crosses.
Other launches near here
Snoflo-tracked boat launches within driving distance of Cooper Lake Boat Launch.