With more than 160 recreation sites and 80 free campgrounds
Of ocean beach that is legally a public highway 10
62 miles
Street-legal vehicles only, 25 miles per hour
Suspension for long gravel, not for rock
Most Washington backcountry miles are graded forest road with washboard: Cascade River Road is rough gravel for 13 of its 23.1 miles, Forest Road 99 runs 16 miles of gravel stretches and repairs, Obstruction Point is 7.8 miles of narrow dirt. That kind of road rewards damping that survives hours of small, fast inputs more than it rewards travel.
Be honest about weight and about how much pavement you cover. A vehicle that spends most of its life on I-90 and I-5 and a few weeks a year east of the crest wants a different setup from one that lives on gravel.
A suspension shop matches spring rates and shock valving to the vehicle's real loaded weight, corrects the geometry that a lift changes, and aligns it afterward. On an overland vehicle the goal is control and durability under constant load, not maximum height.
The work usually includes
01Coil and leaf springs rated for the load
02Shocks: monotube, remote reservoir or adjustable
03Control arms, track bars, driveline and brake line corrections
04Air bags or helper springs for heavy rear loads
05Alignment after the work
06Advice on gearing when tire size goes up
How to choose a suspension shop
The right shop asks about weight before it asks about height.
01Weigh the vehicle loaded, or ask the shop to. Choosing springs without a weight is a guess.
02Ask what else the lift changes on your platform: alignment range, driveline angles, brake lines, headlight aim and driver-assistance sensors.
03Ask whether they align in house.
04Ask for the least height that clears your tires and keeps the geometry happy. More lift is not better.
05Ask how it will ride at both ends of your use: empty around town and loaded on washboard.
What to have ready before you ask for a quote
Weight is the number that matters.
01Year, model and drivetrain
02Current tire size and the size you want to run
03Everything bolted on: bumper, winch, rack, tent, drawers, water
04Loaded weight, if you have been across a scale
05How you use it, and a budget range
Questions people ask
How much lift do I need?
Less than you think. Most overland travel is dirt roads, washboard and the occasional ledge, and the vehicle spends its life loaded. Enough lift to clear a sensible all-terrain tire, with springs rated for your weight, usually drives better and breaks less than a tall kit.
Why does my truck sag in the back?
Because the factory springs were chosen for an empty truck. Drawers, a fridge, water, a tent and a rear bumper add constant weight. The fix is springs rated for that constant load, sometimes with air bags for the occasional heavy trip.
Do bigger tires mean I need new gears?
Larger tires make the engine and transmission work harder and change the speedometer reading. Whether re-gearing is worth it depends on the tire size, the vehicle and how much weight you carry. A shop that knows your platform can tell you where the line is.
How high is Washington?
From Long Beach at 20 feet to Mount Rainier at 14,411.
Altitude decides what your engine, your brakes and your lungs have to work with, and how late in the year the passes open.
02,0004,0006,0008,00010,00012,00014,000
Feet above sea level
Towns
RepublicWest side of Sherman Pass on SR 20, in the middle of the Colville National Forest and the Kettle River Range.2,564 ft
SpokaneOn I-90 near the Idaho line. Base for the Colville forest, the Kettle Crest and the eastern scablands.1,870 ft
WinthropMethow Valley town on SR 20, east side of the winter closure. The Harts Pass road leaves from up-valley.1,761 ft
ColvilleOn US 395 in the northeast. Services for the Three Rivers and Newport ends of the Colville forest.1,612 ft
EllensburgI-90 at the north end of the Yakima River Canyon byway, below the Naneum Ridge state forest roads.1,536 ft
LeavenworthOn US 2 below Stevens Pass, at the mouth of Icicle Creek.1,171 ft
ChelanAt the foot of Lake Chelan, the road gateway to the Lake Chelan National Recreation Area.1,130 ft
YakimaSouth end of the Yakima River Canyon. Gateway to the Naches and Ahtanum country and the Green Dot roads.1,067 ft
PackwoodOn US 12 between White Pass and Mount Rainier, at the north edge of the Gifford Pinchot.1,054 ft
OmakOn US 97 in the Okanogan valley, east of Loup Loup Summit and south of the Canadian border crossings.845 ft
WenatcheeHeadquarters town of the Okanogan-Wenatchee National Forest, on the Columbia where US 2 meets US 97.668 ft
MarblemountLast services on SR 20 before the North Cascades. Cascade River Road starts here.322 ft
ForksUS 101 town for the Hoh and the Olympic wilderness coast. Fuel before the long empty stretch south.305 ft
SeattleWhere I-5 meets I-90. The usual arrival point and the last big-city parts supply before the Cascades.173 ft
Port AngelesOn US 101 at the bottom of Hurricane Ridge Road, the main entrance to the Olympic high country.67 ft
Long BeachOn the 27-mile Long Beach stretch of the Seashore Conservation Area, where driving on the sand is legal.20 ft
Passes, high roads and summits
Mount RainierThe highest point in Washington. No road to the top; Sunrise, at 6,400 feet, is as high as a vehicle gets14,411 ft
Mount AdamsYakima County, the volcano the Washington Backcountry Discovery Route passes on its way north12,276 ft
Mount BakerWhatcom County, above the far end of the Mt. Baker Highway10,767 ft
Mount OlympusJefferson County, the high point of the Olympic Mountains7,928 ft
SunriseSunrise Road, Mount Rainier: SR 410 at the White River entrance to the Sunrise visitor area6,400 ft
Harts PassHarts Pass Road, Forest Road 5400: Mazama in the Methow Valley to the Pacific Crest Trail crossing6,200 ft
Sherman PassSherman Pass, SR 20: Republic to Kettle Falls across the Kettle River Range5,575 ft
Washington PassNorth Cascades Highway, SR 20: Marblemount and the Skagit valley to Winthrop and the Methow5,475 ft
Chinook PassChinook Pass, SR 410: Enumclaw and Mount Rainier to Naches and Yakima5,430 ft
Hurricane RidgeHurricane Ridge Road: Port Angeles to the Hurricane Ridge visitor area5,242 ft
Artist PointMt. Baker Highway to Artist Point, SR 542: Bellingham and Glacier to the end of the road below Mount Shuksan5,140 ft
Blewett PassChelan County, between Ellensburg and the Wenatchee valley4,138 ft
Stevens PassKing County, the US 2 crossing of the Cascade crest4,117 ft
Loup Loup SummitOkanogan County, between Omak and the Methow Valley4,017 ft
Cascade Pass TrailheadCascade River Road: Marblemount on SR 20 to the Cascade Pass trailhead3,660 ft
Snoqualmie PassKittitas County. The lowest Cascade crossing measured here, and the one I-90 uses3,014 ft
Pass, road and summit elevations are the figures published by the agency that manages them. Town elevations are the town’s or county’s own
figure where it publishes an exact one; the rest are from the U.S. Geological Survey (3D Elevation Program at the place’s official coordinates),
retrieved September 18, 2026. Every source is listed at the foot of the page.
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