Kuilau Ridge Trailhead Reviews, , , , , , , 0, Hiking the Kuilau Ridge Trail on Kauaʻi — noahawaii, noahlangphotography.com, 2500 x 1875, jpeg, Head out on this 3.6-mile out-and-back trail near Kapaʻa, Kaua'i. Generally considered a moderately challenging route, it takes an average of 1 h 44 min to complete. This is a very. Pretty undemanding, serene, and vista-rich, the Kuilau Ridge Trail is a great choice for a hike in Kauai’s interior highlands: easy enough for children and less-fit grownups, transfixing enough. , 12, kuilau-ridge-trailhead-reviews, Vacation Destinations Head out on this 3.6-mile out-and-back trail near Kapaʻa, Kaua'i. Generally considered a moderately challenging route, it takes an average of 1 h 44 min to complete. This is a very. Pretty undemanding, serene, and vista-rich, the Kuilau Ridge Trail is a great choice for a hike in Kauai’s interior highlands: easy enough for children and less-fit grownups, transfixing enough.