Wailuku River State Park
Wailuku River State Park, located in Hilo, Hawaii, is renowned for its lush rainforest setting and dramatic waterfalls, including the iconic Rainbow Falls and Pe‘epe‘e Falls. The park offers scenic overlooks, picnic areas, and opportunities to explore the natural beauty and cultural history of the Big Island.
Free
Visiting with Dogs
Dogs are not allowed at Wailuku River State Park. No pets permitted on trails or in park areas.
Visitor Tips & Reviews
What Visitors Say
Visitors love Wailuku River State Park for its stunning Rainbow Falls, lush scenery, easy trails, and opportunities for photos and picnics. It's a must-see spot in Hilo.
Tips from Visitors
- Wear sturdy shoes for slippery paths.
- Stay on marked trails for safety.
- Swimming is prohibited due to strong currents.
- Bring water and sun protection.
- Respect cultural sites and posted signs.
- Arrive early for easier parking.
Amenities
Nearby Attractions
Explore these attractions near Wailuku River State Park:
- Pacific Tsunami MuseumAn educational museum in downtown Hilo dedicated to the history and science of tsunamis in Hawaii and the Pacific.2 miles away
- Liliuokalani GardensA beautiful Japanese-style garden in Hilo, perfect for peaceful strolls and scenic views of Hilo Bay.3 miles away
- Hawaii Tropical Botanical GardenA lush, 40-acre garden featuring waterfalls, streams, and a vast collection of tropical plants along the scenic Hamakua Coast.8 miles away
Things to Do at Wailuku River State Park
Camping at Wailuku River State Park
Camping is not available at Wailuku River State Park. Consider nearby county or private campgrounds for camping options.
Hiking Trails
Wailuku River State Park offers easy, family-friendly trails with scenic views of lush rainforest and dramatic waterfalls, including the famous Rainbow Falls and Boiling Pots. The short walks are accessible and well-marked, making them ideal for all ages. Visitors often enjoy the peaceful atmosphere, photo opportunities, and the chance to experience Hawaii’s natural beauty up close without strenuous hiking.
Boiling Pots Trail
EasyShort trail leading to scenic views of the Boiling Pots, a series of terraced pools in the Wailuku River.
Rainbow Falls Lookout Path
EasyPaved path to the famous Rainbow Falls overlook, offering panoramic views of the waterfall and lush surroundings.
Wailuku River Overlook Trail
EasyShort walk along the river with viewpoints of the cascading waters and native flora.
Peʻepeʻe Falls Spur
ModerateTrail to a viewpoint of Peʻepeʻe Falls and the surrounding lava rock formations.
Directions
From downtown Hilo, take Waianuenue Avenue west for about 2 miles, then turn right onto Rainbow Drive to reach the park entrance.
Contact & Info
Frequently Asked Questions
What are the main attractions at Wailuku River State Park?
The park features Rainbow Falls, a picturesque waterfall with frequent rainbows, and Boiling Pots, a series of pools and cascades formed by volcanic activity.
Is swimming allowed at Rainbow Falls or Boiling Pots?
Swimming is not recommended due to strong currents, slippery rocks, and sudden flash floods. Visitors should enjoy the views from designated lookout areas.
Are there hiking trails in Wailuku River State Park?
There are short walking paths to the Rainbow Falls and Boiling Pots viewpoints, but no extensive hiking trails within the park.
What facilities are available at the park?
The park offers restrooms, parking, and picnic areas near Rainbow Falls. There are informational signs, but no food concessions or visitor center.
When is the best time to visit Rainbow Falls for rainbows?
Mornings are the best time to see rainbows at Rainbow Falls, especially on sunny days, as the sunlight hits the mist from the falls at the right angle.
Is Wailuku River State Park accessible for people with mobility issues?
The Rainbow Falls viewpoint is accessible via a paved path from the parking lot, making it suitable for visitors with limited mobility.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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