The Columbia River One Design, commonly known as the CROD, is a storied 28-foot sloop that serves as a cornerstone of Pacific Northwest maritime history. Designed in 1947 by the legendary naval architect Ben Seaborn, the CROD was specifically engineered to master the unique and often punishing conditions of the Columbia River—a waterway defined by heavy currents, shifting sandbars, and a mix of light summer air and violent winter "Easterlies." While the "Columbia" in its name refers to the river rather than the production manufacturer founded by Dick Valdes, the two are historically linked through the evolution of regional boat building. Joseph McGlasson, who collaborated with Valdes to create the first fiberglass Columbia yachts, was a contemporary in the same regional boat-building scene where the CROD was the premier racing class. Approximately 14 of these vessels were originally constructed, primarily in wood, though their influence paved the way for the production fiberglass movement in the West.
Columbia River OD Information, Review, Specs

- Make
- Columbia
- Model
- River OD
- Builder
- Columbia Yachts
- Designer
- Joseph M. Dyer
- Number Built
- 12
- Production Year(s)
- 1934 - ??
Sailing Performance & Handling
The CROD is a heavy-displacement vessel designed with a "long and lean" philosophy that prioritizes momentum and tracking over modern "planing" performance. With a length overall of 28 feet and a relatively narrow beam, the hull is optimized for the swirling eddies and heavy chop of the Columbia River gorge. Its deep, full keel provides significant lateral resistance, allowing the boat to "bite" into the water and maintain a steady course even when the river current is running at four knots against the wind.
Handling the CROD is often described as a tactile, traditional experience. Unlike modern fin-keel boats that can feel "skittish" or overly responsive, the CROD offers a dampened, seaworthy motion. According to historical records from the Oregon Maritime Museum, the boat was designed to be stiff under sail, carrying its canvas well into the higher wind ranges before requiring a reef. The sail plan is a traditional high-aspect sloop rig, which provides the necessary lift to navigate the wind shadows created by the river's high cliffs. While it lacks the agility of a modern sportboat, its ability to track "straight as an arrow" makes it a favorite for long-distance river cruising and vintage racing.
Interior Comfort & Variations
For a 28-foot design from the late 1940s, the CROD offers a surprisingly functional "overnighter" interior, though it reflects the era's focus on utility over luxury. The cabin trunk is low-profile to reduce windage, which limits standing headroom to approximately 5'8" or 5'10", depending on the specific builder. The layout typically features a classic "V-berth" forward for two adults, followed by a small head (usually a manual marine toilet) and a compact galley area with a sink and a small icebox.
The main salon consists of two longitudinal settees that double as single berths, providing sleeping capacity for up to four people. The materials used in original constructions were primarily local Pacific Northwest woods, including Port Orford Cedar for planking and White Oak for the frames, often finished with bright-work that gives the interior a warm, traditional aesthetic. While the CROD does not have "siblings" in the modern production sense, it is often compared to the Thunderbird 26—another Ben Seaborn design—though the CROD is considered more robust and "shippy" than the plywood-constructed Thunderbird.
Popular Mentions & Media
The CROD holds a significant cultural footprint in the Pacific Northwest, particularly within the wooden boat community. The class is a perennial favorite at the Port Townsend Wooden Boat Festival, where it is celebrated as a "Design of the Region." The first hull ever built, named Mist, has been meticulously restored and frequently serves as the flagship for the class in local media coverage of the Columbia River Yachting Association events. The boat’s history is also documented in various regional archives as the precursor to the "one-design" racing culture that eventually took over the West Coast.
Known Issues & Buyer’s Checklist
Because the vast majority of Columbia River One Designs were built of wood between 1947 and the mid-1950s, the primary concerns for any prospective buyer are structural.
- Horn Timber and Stem Rot: In wooden CRODs, freshwater trapped in the bow or the rudder post area frequently leads to rot in the stem and horn timber. These areas should be sounded with a mallet and inspected for soft spots.
- Keel Bolt Integrity: The ballast is typically iron or lead secured with bronze or steel bolts. Given the age of these vessels, "weeping" at the keel-to-hull joint is a sign that the bolts may have thinned due to galvanic corrosion and require replacement.
- Chainplate Leakage: Like many boats of this era, the chainplates pass through the deck and are susceptible to leaks. If neglected, these leaks can rot the structural knees or the frames to which they are bolted.
- Rib Timber Fractures: Inspect the steam-bent oak frames (ribs) in the bilge area. Over-tightening of the rig or heavy grounding can cause these to crack, particularly at the turn of the bilge.
Community & Resources
The primary hub for owners and enthusiasts is the Columbia River One Design Class Association, which maintains records of the surviving hulls and coordinates vintage racing. Technical resources and historical photographs are also curated by the Center for Wooden Boats in Seattle, which provides archival support for Seaborn-designed vessels.
The Verdict
The Columbia River One Design is a purist’s yacht, offering a direct connection to the golden age of naval architecture. It is an ideal vessel for sailors who value heritage and seaworthiness over modern amenities and high-speed maneuvers.
Pros:
- Exquisite classic lines and a significant "head-turner" at any marina.
- Exceptional tracking and stability in heavy currents and high winds.
- A dedicated and knowledgeable community of owners committed to preservation.
Cons:
- High maintenance requirements typical of vintage wooden hull construction.
- Limited interior headroom and storage compared to modern 28-footers.
- Very few hulls exist, making them difficult to find on the open market.
Measurements
Construction & Hull
- Construction Material
- Wood
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- 950 lbs (Iron)
- Displacement
- 7000 lbs
- Water Capacity
- 20 gal
- Fuel Capacity
- 20 gal
Dimensions
- Length Overall (LOA)
- 27.83 ft
- Waterline Length (LWL)
- 24 ft
- Beam
- 8.83 ft
- Draft
- 5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 344 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 15.04
- Ballast / Displacement Ratio
- 13.57
- Displacement / Length Ratio (D/L) Ratio
- 226.06
- Comfort Ratio
- 23.63
- Capsize Screening Formula
- 1.85
- Hull Speed
- 6.56 kn