The best walks and hikes in Wailua River State Park

The Uluwehi Falls trail, also known as Secret Falls, offers a truly immersive Kauaʻi adventure that starts with a paddle and ends with a waterfall. You'll kayak up the Wailua River, surrounded by dense rainforest, before embarking on a jungle hike. The path winds through tropical flora, over muddy terrain, and across streams, leading to the stunning 100 to 120-foot "bridal-veil" waterfall cascading into a refreshing pool. It's a unique way to experience the island's interior, combining serene river views with an adventurous trek.

Planning your visit means preparing for a two-part journey; the 1.9-mile (3.1 km) hike with 162 feet (49 metres) of elevation gain is preceded by a significant kayak trip. While the hike itself is rated easy and takes about 51 minutes, the overall experience is considered moderate due to the paddling and often muddy, slippery trail conditions. You'll likely get wet and dirty, so wear appropriate footwear and clothing. Many visitors choose guided tours for convenience, but self-guided options are also popular, typically starting from Wailua River State Park.

What makes this route particularly notable is the required river journey, as the Wailua River is Hawaiʻi's only navigable river. This combination of kayaking and hiking provides a distinct perspective on Kauaʻi's lush landscapes, offering both a peaceful paddle and an exciting jungle trek. Despite its historical name, "Secret Falls," it's a very popular destination, and swimming in the pool at the base of the falls is a highlight for many.

The Lydgate Beach Park loop offers a delightful, easy stroll along Kauai's eastern coast, following a paved multi-use path that's part of the scenic Ke Ala Hele Makalae. You'll enjoy continuous ocean views, swaying palm trees, and the chance to observe lava rock formations and tide pools. The path is flat and accessible, making it a perfect choice for a leisurely outing, whether you're walking, jogging, or cycling.

This 1.9-mile (3.0 km) route is rated easy, with a minimal 55 feet (17 metres) of elevation gain, and typically takes around 47 minutes to complete. The park provides excellent amenities, including picnic areas, restrooms, and showers, making it easy to extend your visit. Ample parking is available, and the trail is pleasant at any time of day, though mornings offer cooler temperatures.

Lydgate Beach Park is renowned for being one of Kauai's most family-friendly spots, featuring the fantastic Kamalani Playground and two unique man-made rock-enclosed ocean pools that are ideal for safe swimming. Beyond the natural beauty, you can also explore nearby historical sites like the Hikinaakala Heiau, adding a cultural dimension to your coastal adventure.

The Chin of the Sleeping Giant loop from Wailua offers a truly immersive Kauaʻi hiking experience, winding through lush vegetation and dense forest before emerging onto sunny ridgelines. You'll navigate diverse terrain, from switchbacks to rocky footpaths, all while enjoying glimpses of the eastern coastline and the Wailua River. The trail's highlight is undoubtedly the panoramic views from the summit, where you can take in the vast expanse of the island and ocean.

This is a difficult 3.2-mile (5.1 km) hike with 887 feet (270 metres) of elevation gain, typically taking around 2 hours and 11 minutes. Expect steep, uneven, and potentially muddy sections, with some rock scrambling required to reach the top. Sturdy shoes are a must, and it's wise to carry ample water, especially since the path can be slippery after rain. Plan to start early to make the most of your day.

Nounou Mountain, home to this trail, is famously known as the "Sleeping Giant" due to its distinctive profile resembling a reclining man. Hawaiian folklore tells of a giant who fell asleep after a feast and never woke, forming the mountain's shape. This legend adds a unique cultural layer to the already stunning natural beauty you'll encounter on your way to the 360-degree views from the summit.