Portland to Seattle: Fun Family Roadtrip Stops

A family road trip from Portland to Seattle offers more than just a scenic drive up the I-5 corridor—it’s a journey packed with memory-making adventures and unexpected delights. Whether you’re driving straight through or planning a leisurely itinerary, the route between these two iconic Pacific Northwest cities is brimming with family-friendly fun. From historic railbike rides to waterfalls, wildlife, and whimsical museums, this stretch of highway offers engaging stops for kids and adults alike.

Ten Fun Places to Stop on a Portland to Seattle Road Trip:

Here’s a guide to the best things to do off of I-5 between Portland and Seattle, including an unforgettable stop with Joy Rails in Chehalis, Washington.

1. Joy Rails Railbike Adventure – 367 Spooner Rd, Chehalis, WA

Of all the unique experiences along I-5, nothing brings smiles quite like a railbike tour with Joy Rails. Nestled in the charming town of Chehalis, Joy Rails offers an exhilarating way to experience nature, history, and teamwork—by pedaling custom-built railbikes along historic railroad tracks.

The tours are ideal for families with kids of all ages, and thanks to the electric-assist feature, even the youngest or oldest riders in your crew can enjoy the journey without breaking a sweat. The scenic routes meander through meadows, forests, and countryside views, making this stop a highlight of any road trip from Portland to Seattle. Reserve in advance and don’t forget your camera—there are plenty of Instagram-worthy photo ops along the way!

2. Ridgefield National Wildlife Refuge – Ridgefield, WA

Just north of Vancouver, the Ridgefield National Wildlife Refuge is a peaceful place to stretch your legs and spot local wildlife. Take a self-guided car tour, explore the short trails, or enjoy a picnic by the river. Birdwatchers will especially love this stop, with frequent sightings of herons, hawks, and even bald eagles. The refuge is stroller-friendly and makes for a calm, scenic break that contrasts nicely with the bustle of the freeway.

3. Fort Vancouver National Historic Site – Vancouver, WA

For a quick history lesson that’s both educational and interactive, stop by Fort Vancouver. This reconstructed 19th-century fur trading post offers hands-on exhibits, costumed interpreters, and kid-friendly programming. Walk through the fort, blacksmith shop, and garden, or let the kids earn a Junior Ranger badge. It’s a fantastic way to immerse the family in the stories that shaped the Pacific Northwest.

4. Lewis & Clark State Park – Near Chehalis, WA

This under-the-radar gem near Chehalis offers towering old-growth trees, picnic spots, and easy hiking trails perfect for kids. Lewis & Clark State Park is a peaceful stop where families can run off energy under the canopy of Douglas firs and western red cedars. If you’ve just finished a Joy Rails tour, this is a great follow-up to let the kids explore nature on foot before hopping back in the car.

5. Northwest Trek Wildlife Park – Eatonville, WA

For families with animal lovers, Northwest Trek is a can’t-miss destination. This wildlife park offers up-close encounters with native Northwest species like moose, bison, bears, and wolves—all from the comfort of a tram tour or walking path. Kids love the Kids’ Trek nature play area, and parents love the chance to see wildlife in natural, spacious enclosures. It’s a half-day activity, so plan for a longer stop or use it as a major leg-stretch destination.

6. Hands On Children’s Museum – Olympia, WA

If the weather turns drizzly (as it often can in the Pacific Northwest), take a break at the Hands On Children’s Museum in Olympia. This vibrant and engaging museum offers hours of indoor entertainment with interactive exhibits in science, nature, art, and engineering. Highlights include a giant climbing structure, a water play area, and an outdoor discovery center when the sun is shining. It’s perfect for toddlers through early teens—and just enough fun to tire them out before nap time in the car.

7. Great Wolf Lodge – Grand Mound, WA

Need a longer pit stop or an overnight stay that the kids will never forget? Check into the Great Wolf Lodge, an indoor water park resort located directly off I-5 in Grand Mound. With waterslides, a lazy river, an arcade, and themed suites, it’s a destination in itself. Even if you’re not staying overnight, day passes are available for families who want to splash and play for a few hours before continuing their Portland to Seattle adventure.

8. Billy Frank Jr. Nisqually National Wildlife Refuge – Near Olympia, WA

This scenic refuge is a paradise for nature lovers and amateur photographers. The long boardwalk trail takes you through tidal marshes and estuaries rich with birdlife. It’s accessible, peaceful, and incredibly educational. Bring binoculars for the kids and let them check off birds they spot along the way!

9. Mount St. Helens Visitor Center – Castle Rock, WA

If your family is curious about volcanoes, make a quick detour to the Mount St. Helens Visitor Center. It’s a great way to learn about the 1980 eruption and how the region has recovered since. The exhibits are interactive and kid-friendly, and the short trails nearby offer lake and mountain views.

10. Seattle Southside Attractions – Tukwila, WA

Just before reaching Seattle, families can take advantage of attractions in Tukwila, such as the Museum of Flight, Southcenter Mall for shopping and snacks, or iFLY Indoor Skydiving for thrill-seeking older kids. It’s a great way to wrap up your road trip with one last blast of fun before reaching the Emerald City.

Family Bonding, One Stop at a Time

A road trip from Portland to Seattle doesn’t have to be about getting from point A to point B quickly. With the right stops along the way—like a scenic railbike ride with Joy Rails in Chehalis—your journey becomes just as memorable as the destination. Take your time. Explore the trails, meet the animals, splash in the pools, and share some laughs pedaling down the rails. Whether you’re adventuring with toddlers or teens, these stops will help you create a family travel story worth retelling for years.