Al Helenberg Memorial Boat Launch
Al Helenberg Memorial Boat Launch is a public boat ramp on the Cowlitz River near Castle Rock, Washington.
Washington State Department of Ecology lists the water at this launch as likely to contain New Zealand mudsnails; extra decontamination is advised when leaving it. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
Washington State Department of Ecology · checked October 20, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
Conditions
- Weather forecast for this launch · National Weather Service
- Water level, flow at the COWLITZ RIVER AT CASTLE ROCK, WA gauge · USGS, 0.2 mi away on Cowlitz River
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge COWLITZ RIVER AT CASTLE ROCK, WA, 0.2 mi from this launch on Cowlitz River: water level, flow, a reading every 15 minutes. Readings and history at USGS.
On the river
River mile 17.6 on Cowlitz River · Washington Department of Ecology river miles (USGS and WDFW), placed between its mile markers
Sources: Washington Department of Ecology river miles (USGS and WDFW).
On Cowlitz River
River in Washington. All launches on Cowlitz River.
Community
Where people who use Cowlitz River talk about it.
Nearby launches
- Tower Bridge · 5.1 mi · Toutle River
- Olequa Crossing · 6.3 mi · Cowlitz River
- Silver Lake Boat Launch · 6.8 mi · Silver Lake
- I-5 Bridge · 9.4 mi · Cowlitz River
- Lake Sacajawea Carry-in Access · 9.9 mi · Lake Sacajawea
- Willow Grove Boat Launch · 11.0 mi · Fisher Island Slough
Sources
- OpenStreetMap n2424891193 © OpenStreetMap contributors, ODbL
Why it is listed as public: www.visitmtsthelens.com: Popular river launch for fishing and recreation.. Something wrong, or is this launch private? Send a correction; it goes to a person.