Swift Reservoir is a 4,620-acre reservoir on the Lewis River in Skamania County, the uppermost of the Lewis River lakes, created in 1958 by Swift Dam.
We rent MasterCraft wakesurf boats, Sea-Doo jet skis and water toys on Swift Reservoir, and everything is ready for you at the lake. Add a captained charter with lessons for every level.
It sits in the forest below the south side of Mount St. Helens and has a single island, Sensi Island.
Boat, jet ski and water toy rentals at Swift Reservoir
Your rentals are waiting for you at Swift Reservoir, so there's no truck, no trailer and no towing to worry about.
- MasterCraft surf boat rentals – big, clean wakes for surfing and wakeboarding at Swift Reservoir, with boards, skis and tubes on board.
- Sea-Doo rentals – rent a single jet ski or several for your group's day on Swift Reservoir.
- Private boat tours & lessons – a driver-instructor runs the boat and coaches first-timers and experienced riders alike.
- Tubes, paddle boards and floats – extras that turn a boat day at Swift Reservoir into a full beach party.
Book Now or call or text 1-888-594-6610 – we answer 7 a.m.–10 p.m. every day.
Swift Reservoir at a glance
| Location | Skamania County, WA |
|---|---|
| Size | About 4,620 acres |
| River | Lewis River |
| Dam | Swift Dam (1958) |
| Island | Sensi Island |
| Nearby | Cougar, Mount St. Helens |
Best things to do on Swift Reservoir
- Wakesurfing – long forested reaches.
- Jet skiing – open water and quiet coves.
- Camping – forest campgrounds nearby.
- Mount St. Helens – trails and viewpoints close by.
Where to launch at Swift Reservoir
- Public launches – ramps on the reservoir.
Summer weekends are busy, so start early. Your rental from us is ready at the lake.
Tips for a great day on Swift Reservoir
- Mornings are calmest for surfing.
- A second person must watch any rider being towed in Washington.
- Jet skis run from sunrise to sunset in Washington.
Washington boating rules to know
- Every boat needs a wearable life jacket for each person on board. Children 12 and under must wear one on boats under 19 feet while underway, and everyone on a jet ski or being towed must wear one.
- When towing a skier, wakeboarder or tuber, a second person must ride along to watch the rider.
- Jet skis may not be ridden between sunset and sunrise, and the engine cut-off lanyard must be attached to the driver.
Map of Swift Reservoir
Swift Reservoir rental & boating FAQ
What can I rent at Swift Reservoir?
MasterCraft wakesurf and wakeboard boats, Sea-Doo jet skis, water toys like tubes and lily pads, and private boat tours with lessons.
Do I have to tow the boat to Swift Reservoir myself?
No. Your rental is ready for you at Swift Reservoir, so you don't need a truck or trailer.
Where is Swift Reservoir?
On the Lewis River in Skamania County, Washington, south of Mount St. Helens.
Can you jet ski on Swift Reservoir?
Yes. Jet skiing, waterskiing, wakeboarding and wakesurfing are all popular on Swift Reservoir.
How big is Swift Reservoir?
About 4,620 acres.
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