If you’re searching for the best hot springs resort near Portland or want a peaceful escape in the Columbia River Gorge, Bonneville Hot Springs Resort in North Bonneville, Washington, is the spot.

Just 47 miles from Portland and 40 miles from Vancouver, this Washington hot springs resort is easy to reach but feels a world away from big cities.

Bonneville Hot Springs Resort & Spa is a fantastic place to enjoy relaxation in luxury, surrounded by scenic forest views and a ton of outdoor adventures nearby.

Bonneville Hot Springs Geothermal Water & Soaking

The mineral hot springs water at Bonneville is the main attraction. It comes bubbling up from deep underground at a source temperature of 109°F (43°C) and then flows into multiple pools and tubs.

Here’s what you can experience:

Mineral-fed indoor swimming pool: Always warm and inviting at 99°F (37°C), perfect for families or anyone who loves a good swim.
Outdoor hot tubs: Depending on the season, the temperature ranges between 99°F–103°F (37–39°C).
Private soaking tubs: Some guest rooms have their own mineral tubs on the balcony or patio. My favorite part of the trip!
Spa treatments: There’s a full-service spa, so you can enjoy a massage, facial, or body wrap.
Cold Plunges
Sauna

Did you know? The spring water is pure enough to drink. It’s rare to find a hot springs resort in the Pacific Northwest where the water is both safe for soaking and sipping.

The water contains: magnesium, calcium, sulfur, chloride, carbonates, and even a touch of naturally bubbly carbonation.

The pH is a gentle 8.2 (alkaline), and the water is treated with a little chlorine for safety in public areas.

Public pools are cleaned regularly, and swimsuits are mandatory.

Day-use passes are available if you’re not staying overnight, and local residents get a discount.

Bonneville Hot Springs Resort is more than just soaking. The Columbia River Gorge is famous for hiking, waterfalls, and stunning views.

Here’s what you’ll find nearby:

Dick Thomas Trail: Starts right at the resort! This hike leads you to Aldrich Butte and Table Mountain, with jaw-dropping views of the river and mountains.

Carson Hot Springs: Just a 5-minute drive, you can try both for the full hot springs tour!

Cascade Locks: Cross the Bridge of the Gods or grab ice cream in this riverside town.

Viento State Park: Perfect for picnics, windsurfing, or watching sailboats.

Multnomah Falls: Only 20 minutes away, it is one of Oregon’s most photographed waterfalls.

Lost Lake: Great for a summer swim or a quiet paddle on the water.

Dougan Falls: A local favorite for picnicking and wading.

Location: North Bonneville • Napa Valley • Washington • USA
Open: Year-round
Development: Indoor mineral pool, outdoor hot tubs, private soaking tubs, sauna, spa
Clothing: Mandatory
Amenities & Services: Restaurant, gift shop, fitness center

Hiking distance: Short
Road access: Any vehicle
Day-use fees: Yes, for day visitors (with a discount for locals)

Elevation: 50 ft (15 m)

Water T° (source): 109°F (43°C)
Water T° (pools and tubs): 99–103°F (37–39°C) depending on season
Odor: None
Chemical used: Water is treated with chlorine

Water acidity level: Weak alkaline (pH=8.2)

Average dissolved solids: 450 Mg/L

Chloride - 1,300 Mg/L
Sulfur - 68.31 Mg/L
Carbonate - 48.9 Mg/L
Silica - 41.8 Mg/L
Calcium - 20.47 Mg/L
Sodium - 10.72 Mg/L
Bromine - 1.2 Mg/L
Potassium - 0.64 Mg/L
Magnesium - 0.05 Mg/L
Iron - 0.01 Mg/L