Wailua River State Park

Rate this place

Last Updated: December 7, 2025

Wailua River State Park is located on the island of Kauai in the state of Hawaii.


°F

°F

mph

Wind

%

Humidity

Summary

It is a popular destination for nature lovers and outdoor enthusiasts due to its stunning natural beauty and various recreational opportunities.

One of the main reasons to visit Wailua River State Park is to explore the Wailua River, which is the largest navigable river in Hawaii. Visitors can take a kayak or boat tour along the river, allowing them to immerse themselves in the lush tropical landscape, surrounded by towering cliffs and dense forests. Along the way, travelers can witness the enchanting Fern Grotto, a lava rock cave adorned with hanging ferns, which is only accessible by boat.

Another notable point of interest within the park is the Wailua Falls. These majestic twin waterfalls cascade down a 80-foot cliff into a pool below, creating a picturesque sight that has been featured in many movies and television shows. The falls are easily accessible via a short hike from the roadside, making it a popular spot for both locals and tourists.

Additionally, Wailua River State Park offers various hiking trails for those seeking more adventure. The Sleeping Giant Trail is a challenging but rewarding hike that leads to panoramic views of the surrounding mountains and coastline. The Kuilau Ridge Trail is another popular option, providing hikers with stunning vistas of the lush valleys and distant mountains.

Interesting facts about Wailua River State Park include its historical significance. The area was once the residence of Hawaiian ali'i (royalty) and was considered a sacred place. The Wailua Complex of Heiaus, a collection of ancient temples and ceremonial platforms, can still be found within the park. These historical remnants offer a glimpse into the island's rich cultural heritage.

The best time to visit Wailua River State Park is during the dry season, which typically spans from April to October. During this period, the weather is generally more favorable, with less rainfall and higher chances of clear skies. However, it is essential to keep in mind that weather conditions can vary, and it is always advisable to check the weather forecast before planning a trip.

In conclusion, Wailua River State Park in Hawaii offers a wide range of attractions and activities. From exploring the Wailua River and Fern Grotto to witnessing the breathtaking Wailua Falls and embarking on scenic hikes, visitors will be captivated by the park's natural beauty and cultural significance. Whether you're seeking adventure or tranquility, a visit to Wailua River State Park is sure to create lasting memories.

       

Weather Forecast

Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
Related References