White Salmon River

Green Truss to BZ Corner

Mt. Adams/Indian Heaven Wilderness/Goat Rocks, Washington

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White Salmon River


  • Double Drop.- White Salmon River
  • Looking down Upper Zig Zag.- White Salmon River
  • Bob's Falls.- White Salmon River
  • Little Brother.- White Salmon River
  • Scouting Double Drop.- White Salmon River
Overview + Weather
Great scenery. Year-round flows. Easy access.
Sometimes crowded. Frequently shifting log jams. Cold water.
As of September 25, 2013, there was an extremely hazardous logjam at the bottom of Lower Zig Zag. While it is possible to run the rapid and portage only the log jam, it is imperative that paddlers do not miss their line. A portage around the entire rapid on river left is recommended for anyone not extremely familiar with Lower Zig Zag.
Mt. Adams/Indian Heaven Wilderness/Goat Rocks, WA
Average Gradient: 
132.00 ft/mi (25.00 m/km)
Route Characteristics: Character:
Pool Drop, Gorge, Steep Creek
Gauge URL:
Overall difficulty: 
Parking Pass: 
Not Required
Preferable Season(s):
Winter, Spring, Summer, Fall
Put-in location (lat, long coordinates): 
Green Truss Bridge
Suitable for:
Kayaks, Rafts
Take-out location (lat, long coordinates): 
BZ Corners
Total Distance: 
4.90 mi (7.89 km)
Current Local Weather:

Notable Hazards + River Information

Adventure Description

Adventure Description


Tread carefully down the dusty cliff, splash into the frigid water, and start boofing: so begins the standard, the staple, of Columbia Gorge paddling.

The Green Truss offers some of the region's most consistent whitewater, and it is easily accessed year round.

After descending the steep and dusty (or snowy!) hillside, paddlers will enjoy a short pool of flat water before the action starts. Several Class III-IV chutes and boulder gardens build in intensity and length until Meatball, a Class IV dogleg to the left.

Immediately after Meatball, the river develops a ledge character, starting with the two-part Bob’s Falls. The first part of Bob’s drops about 10 feet into a sticky hole. A short, moving pool leads to another, narrower, 5-foot ledge.

A short, twisty rapid then leads to the pool above the main event: Big Brother. Although frequently paddled, this 27-foot waterfall requires a precise line to avoid a piton on the left or getting pushed into a dangerous cave on the right. Paddlers can portage on river left and put in above or below Little Brother, a 15-foot vertical drop.

A short boulder garden then leads directly into Double Drop, a steep constriction that drops roughly 18 feet in two stages. Scout or portage on the left. A river-wide ledge with a sticky hole on the left called Karen’s Box follows before the river calms to mostly Class III boulder gardens with seemingly miraculous springs pouring like faucets from the cliffs.

After about a mile the river narrows once more into the Zig Zag canyon. Divided into two parts, Upper and Lower Zig Zag are tight, twisting constrictions that are sure to thrill any paddler. While portaging is possible, it is long, difficult, and requires the use of ropes to safely descend back to river level. Paddlers attempting the Truss should be prepared to run both Upper and Lower Zig Zag.

From here, paddlers will enter the Orletta section, featuring boily rapids with more push than their upstream counterparts. The White Salmon takes one more plunge over BZ falls, a 10-foot pourover with a massive hole, before the takeout.

Updates, Tips + Comments

Updates, Tips + Comments

Field Guide + River Map

Field Guide + River Map

Location + Directions

Location + Directions

Nearby Camping + Lodging

(12 within a 30 mile radius)

Nearby Adventures

(66 within a 30 mile radius)

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