The Best Dog-Friendly Hikes in the Pacific Northwest

The Pacific Northwest might be the best place in the country to hike with a dog: waterfalls, alpine lakes, old-growth forest, and a mild, wet climate that dogs handle better than desert heat. But there’s a catch that sends first-timers home disappointed — and once you know it, a huge range of trails opens up.

Here are real dog-friendly hikes across Washington and Oregon, the leash rules that actually apply, and the one mistake to avoid before you even leave the driveway. Always confirm current regulations with the land manager before you go — rules change, and seasonal closures happen.

First, the national-park trap

The single biggest mistake: assuming a national park is dog-friendly. It usually isn’t. Mount Rainier, Olympic, and North Cascades national parks ban dogs from nearly all trails — they’re allowed only in parking lots, campgrounds, and on paved roads. People drive hours to Rainier with their dog and discover they can’t set a paw on a trail.

The fix is simple: aim for national forests, state parks, and state/county land, which are generally dog-friendly (leashed). The good news is these surround the national parks and often deliver the same scenery. So when Rainier is off-limits, a national-forest trail nearby usually isn’t.

Washington

Lake Twenty-Two (Mountain Loop Highway)

A PNW classic and deservedly popular: a climb through mossy old-growth past waterfalls to a serene cirque lake beneath Mount Pilchuck. It’s a protected research natural area, so dogs must be leashed and on-trail — perfect for a rewarding half-day with a well-behaved dog.

Mount Si (North Bend)

The Seattle area’s benchmark conditioning hike — a steep, sustained climb rewarded with big views over the Snoqualmie Valley and, on clear days, Mount Rainier and the city. Busy and leashed, it’s a great fitness test for a fit, conditioned dog. Start early to beat crowds and summer heat.

Mason Lake (Mt. Baker-Snoqualmie National Forest)

An alpine-lake hike of roughly 7 miles round trip with about 2,400 feet of gain via the Ira Spring Trail off I-90 — a genuine workout, not a stroll. The upper section sits in the Alpine Lakes Wilderness, where the Forest Service asks that dogs stay leashed; there’s swimmable water at the lake and, for the fit dog, a rewarding full day out. Start early — the Ira Spring trailhead fills fast on summer weekends.

Mount Ellinor (Olympic National Forest)

Short but genuinely steep — a quad-burner best suited to a young, fit dog. It sits in the national forest (not Olympic National Park, where dogs are banned), so leashed dogs are welcome, with fantastic views over Hood Canal. Know your dog’s fitness before taking this one on.

High Rock Lookout (near Mount Rainier)

Because Rainier’s own trails are off-limits to dogs, High Rock Lookout — on national forest land just outside the park — is the popular dog-friendly alternative, with a fire lookout and a jaw-dropping view of the mountain. Leashed.

Oregon

The Columbia River Gorge

The Gorge is one of the most dog-friendly hiking concentrations in the region, straddling the Washington–Oregon border with waterfall trail after waterfall trail.

• Latourell Falls — a lush, forested loop past upper and lower falls, leashed and less crowded than its famous neighbour.
• Multnomah Falls — Oregon’s iconic waterfall, dog-friendly on a leash along the paved plaza, up to Benson Bridge and on to the top of the falls. Two catches: expect crowds and slick, misty footing, and in peak season a timed-entry permit is required for the I-84 parking lot (roughly late May through early September, 9 a.m.–6 p.m.) — book ahead or arrive outside those hours.

Silver Falls State Park — the Rim Trail (know the rule here)

Silver Falls is where the “check before you go” lesson bites in Oregon. The park’s famous Trail of Ten Falls (the Canyon Trail) does not allow dogs — pets are banned from the Canyon Trail and its connectors, so the iconic walk behind the waterfalls is off-limits to your dog. Drive up assuming otherwise and you’ll be turned back.

The good news: dogs are welcome, on a 6-foot leash, on the park’s Rim Trail, which runs the forested plateau above the canyon, and at Upper North Falls (a short, pet-friendly spur where leashed dogs can even wade in Silver Creek). There’s also an off-leash exercise area at the South Falls day-use site. So Silver Falls is still worth the trip with a dog — you just hike the rim, not the canyon.

Tumalo Falls (near Bend)

A famous summer favourite on the drier east side of the Cascades. Leashed and beautiful — but the east side runs hotter and more exposed than the wet west, so hike the cool hours and carry plenty of water (see our summer heat safety guide).

The Oregon Coast — Ecola & Oswald West State Parks

Near Cannon Beach, these state parks offer dog-friendly forest-and-coast hiking with dramatic Pacific views, and Oregon’s coast is famously welcoming to leashed dogs. A great change of pace from the alpine trails.

Rules and gear for PNW trails

Leash up. Most of these trails require a leash (often 6 ft), and it protects wildlife and other hikers. A few areas have off-leash sections or seasons — the exception, not the rule — and even then reliable recall is expected. A comfortable no-pull harness makes leashed miles easier:

Check Ruffwear Front Range on Amazon →

Carry your own water. The PNW looks wet, but don’t let your dog drink from streams or stagnant pools — giardia and toxic blue-green algae are real. Pack water and a collapsible bowl, and let a conditioned dog carry its own in a pack.

Pack out waste — every time — and keep your dog on-trail to protect fragile terrain. Our Leave No Trace with dogs guide covers the etiquette that keeps these trails open to dogs.

Mind the mud and the weather. The PNW is wet; a towel for the car and quick-dry gear save your seats and your sanity. On summer east-side trails, watch the heat.

The bottom line

The Pacific Northwest is a dream for hiking dogs — as long as you dodge the national-park trap and aim for national forests, state parks, and the Columbia River Gorge. Leash up, carry your own water, pack out everything, and check the current rules before you go. Do that, and waterfalls, alpine lakes and old-growth forest are all yours to share.

Sources

• Moon Travel Guides — Best Dog-Friendly Hikes in Oregon and Washington
• Dogster — Dog-Friendly Hiking Trails in Washington (2026)
• Ruffwear — Best Dog-Friendly Hikes on the West Coast
• Oregon State Parks — Silver Falls State Park (pet rules)
• US Forest Service — Ira Spring (Mason Lake) Trail 1038
• US Forest Service — Multnomah Falls (Columbia River Gorge NSA)
• National Park Service — Pets in Mount Rainier National Park