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What Is Mosier Twin Tunnels Bike Path
Pedal Into Gorge History
Carved from basalt cliffs in 1921, the Mosier Twin Tunnels Bike Path traces a reborn stretch of the Historic Columbia River Highway State Trail, threading 390 feet of cool, windowed tunnels high above the Columbia Gorge. Cyclists chase engineering marvels reborn as a car-free ribbon, with wildflower meadows, river panoramas, and scabland drama unfolding mile by mile. This 4.5-mile paved gem draws riders for its effortless blend of history, accessibility, and raw Gorge beauty—no summit bagger required.
Best Season
Spring through fall (March to October) for wildflowers, mild temps, and dry pavement; avoid winter ice in tunnels.
Typical Duration
2-3 hours for tunnels out-and-back from Mosier (2 miles each way); full 9-mile round-trip to Hood River takes 4-5 hours by bike.
Budget Range
USD 20-50 per person for parking, bike rental if needed, and snacks; free entry, with day trip from Portland under USD 100 including gas.
Experience Level
Beginner-friendly paved path with 5% max grade and 430 feet total elevation; suitable for casual cyclists, families, or e-bikes, no technical skills required.
World's Best
Top 25 Mosier Twin Tunnels Bike Path Destinations
Ranked by tunnel engineering legacy, gorge views, pavement quality and ADA access, and cost-to-wow ratio, prioritizing paths with historic highway vibes and bike-friendly infrastructure.
Mosier Twin Tunnels Bike PathUSA · Pacific Northwest
#01
5.0
Flagship ride punches through consecutive 1921 basalt tunnels on smooth pavement, with Coyote Wall views and stone overlooks amplifying every pedal stroke. Reopened in 2000 as nati…
Hood River End of Twin Tunnels TrailUSA · Pacific Northwest
#02
4.9
Western anchor offers flush toilets, fountains, and shuttle ease before diving into tunnels with Eighteenmile Island vistas. Paved grade tops at 5%, making it stroller and e-bike h…
Rowena Historic Highway LoopsUSA · Pacific Northwest
#03
4.7
Extends Twin Tunnels east with plunging crests and basalt arches mirroring Mosier's drama, adding 9 miles of roller's-coaster pavement. Rowena Crest viewpoint rivals tunnel thrills…
Cape Horn Bike PathUSA · Pacific Northwest
#04
4.5
Gorge neighbor carves sheer drops and tunnels-lite vibes on paved rail-trail, echoing Mosier's highway heritage with river bluffs and eagle spotting. Shorter loops suit tunnel warm…
Forest Park Wildwood TrailUSA · Pacific Northwest
#05
4.4
Portland's urban escape mimics tunnel accessibility with forested pavement and historic bridges, a flat tuner for Gorge grades. Bridges evoke old-road engineering without the drive…
Little Moab TrailsUSA · Pacific Northwest
#06
4.3
Columbia Hills deliver tunnel-like slot carves in basalt with Historic Highway adjacency, blending Mosier pavement with light singletrack. Ochre cliffs frame endless Gorge horizons…
Tom McCall Point LoopUSA · Pacific Northwest
#07
4.2
Rowena-adjacent punch-up path swaps tunnels for crevasse climbs and prairie views, channeling Mosier's elevation gain on grippy singletrack. Wildflowers carpet the plunge.
White Salmon River TrailUSA · Pacific Northwest
#08
4.1
Hood River sidekick traces old rail cuts mimicking tunnels, with whitewater views and smooth flow to pair with Mosier spins. Bridges add historic punch.
Catherine Creek Arch TrailUSA · Pacific Northwest
#09
4.0
Basalt portal frames like a natural tunnel on Mosier-esque pavement, with arch hikes extending the ride into slot wonders. Lava flows steal the show.
Klickitat Rail TrailUSA · Pacific Northwest
#10
4.0
13-mile paved relic echoes Twin Tunnels' highway-to-bike shift, carving river canyons with old trestles. Lighter crowds amplify solitude.
Snoqualmie TunnelUSA
#11
4.0
3-mile lighted bore through Cascades rivals Mosier length on Cascade Rail Trail
with alpine meadows post-pedals. Snow caves in winter. · Pacific Northwest
#12
3.9
Sam Hill Memorial Bridge PathUSA · Pacific Northwest
#13
3.8
Maryhill's spans and cuts parallel Columbia cliffs like mini-tunnels, tying into Stonehenge vibes for historic ride extensions. River scale dominates.
Lewis and Clark Trail PathsUSA · Pacific Northwest
#14
3.7
Gorge segments follow expedition routes on paved relics, evoking tunnel-era engineering with river bluffs. History layers deepen.
Beacon Rock State Park TrailsUSA · Pacific Northwest
#15
3.6
Paved climbs to Gorge pillars mimic tunnel approaches, with basalt stacks and eagle nests. Short loops prime for repeats.
Columbia Plateau TrailUSA · Pacific Northwest
#16
3.5
Rail-to-trail carve through Eastern Washington channels long-haul tunnel vibes on ballast-free pavement. Endless sage horizons.
Lacamas Legacy LoopUSA · Pacific Northwest
#17
3.4
Vancouver area's paved lake laps echo accessibility, with bridge tunnels adding Mosier flair. Urban-Gorge bridge.
Willamette Valley Scenic BikewayUSA · Pacific Northwest
#18
3.3
Old-road pavement rolls vineyard tunnels and covered bridges, softening Gorge grades for endurance spins.
Discovery Trail Hood RiverUSA · Pacific Northwest
#19
3.2
Waterfront pave links to tunnels via fruit loop farms, blending flat cruise with Gorge punch.
Mt. Hood Loop Highway PathUSA · Pacific Northwest
#20
3.1
Timberline relics carve snowy cuts like winter tunnels, extending Mosier into alpine.
Yakima River Canyon TrailUSA · Pacific Northwest
#21
3.0
20-mile rail carve mimics tunnel flow through orchards and cliffs. Eastern Gorge proxy.
John Wayne Pioneer TrailUSA · Pacific Northwest
#22
2.9
Abandoned rail bore east evokes deep tunnels on gravel-lite path. Epic solitude.
Palouse to Cascades TrailUSA · Pacific Northwest
#23
2.8
Extended rail pave punches Vantage cuts, scaling to Gorge drama.
Oregon Coast Bike Route SegmentsUSA · Pacific Northwest
#24
2.7
Cliff-hugging pave near tunnels-in-spirit arches, with ocean swaps for river.
Central Oregon Canal PathUSA · Pacific Northwest
#25
2.6
Irrigation cuts mimic slots on Bend flats, prepping Gorge legs.
Wallace Falls State Park PathUSA · Pacific Northwest
#26
2.5
Paved rail spur climbs to falls via old cuts, echoing accessibility.
How to Do It Right
Ride the Tunnels Right
Start at Mosier trailhead for easier parking ($5 fee) and gentler climb; hit the path by 9 AM to beat crowds and midday heat. Check Oregon State Parks site for rare closures due to rockfall. Book e-bikes in Hood River if skipping car shuttle.
Yield to peds in tunnels—bells help; stop at the stone overlook post-east tunnel for Eighteenmile Island views. Hydrate often, as no water mid-trail. Lock bikes at viewpoints to explore short rugged spurs.
Practice lights for dark tunnel sections; fit tires handle light gravel edges. Go independent with apps like RideWithGPS for elevation profiles. Families add strollers, but test kid balance on slight grades first.
Top Articles on Mosier Twin Tunnels Bike Path
Portland Monthly
Cycling Mosier's Twin Tunnels
Details 4.6-mile one-way route from $5 Mosier trailhead, highlighting 369-foot tunnels built a century ago, closed in 1950s, and reopened in 2000 as national historic landmark. Notes cool respite and …
2016Read Article
Friends of the Columbia GorgeMosier Twin Tunnels
Covers 4.5-mile trail gaining 430 feet from Mosier, passing scablands and tunnels dynamited in 1921, widened in 1930s with traffic lights by 1940s. Directions from I-84 exit 69 to Mark O. Hatfield Eas…
2023Read Article
Pines and VinesExplore the Mosier Twin Tunnels
Profiles 9-mile round-trip paved trail as underrated Gorge hike/bike, with 1921 dynamited tunnels closed 1950 post-I-84; notes ADA access, 5% grade, leashed dogs, and stroller-friendliness.
2023Read Article
Washington Trails AssociationHistoric Columbia River Highway State Trail - Mosier Twin Tunnels
Describes mile-to-tunnels from trailhead, 1921-1950 car use then hiker/biker conversion, rehabbed late 1990s; side trail to Gorge overlook post-tunnels.
2023Read Article
Oregon State ParksHistoric Columbia River Highway State Trail
Outlines 4.5-mile universally accessible Twin Tunnels segment from Hood River to Mosier, with restored tunnels filled post-I-84 but surviving as key feature. Trailheads at both ends.
2023Read Article
Mosier Twin Tunnels Bike Path Around the World
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