The Waimea Canyon, which is also called the Grand Canyon of the Pacific, is an awe-inspiring gorge on Kauai's West shore. There are two roads leading to Waimea and they intersect higher atop the mountain. They steer you toward Route 552(Koke'e Road), but I took Route 550 (Waimea Canyon Drive), which had hardly any traffic and was an absolutely beautiful ascent up to the canyon.
On Route 550, you will see a lot of the famous Red Dirt, which has small winding streams running through. There were plenty of spots to pull over and look at the beautiful scenery on the way up. One of the views is the island of Ni’ihau, which is clearly visible as you drive up the winding road. As you drive higher you will begin to see a lot of wild chickens -- be careful because some are fearless.
When you reach 3400 feet you will be at the Waimea Canyon Lookout. From here you will be amazed at the breathtaking scenery. There was a restroom at this stop for your information.
After mile marker 13, you will reach the Pu'u Hinahina Lookout, which also has view of the canyon. At this same stop you can see view of Ni'ihau on a clear day at the Ni'ihau Viewpoint.
Continuing on to mile marker 15 is the Koke'e Museum and the Koke'e Lodge. At the Koke'e Museum you will find maps, calendars, souvenirs, and information on facts of the Canyon. The lodge next door has a small restaurant if you are looking for something to snack on.
From here, we kept traveling northward to mile marker 18; if I recall correctly, some or all of this was a dirt or gravel road. Here you will see Kalalau Lookout (4000 feet). To the right, there was a road that was closed off so we parked here to get to Pu'u o Kila Lookout(5148 feet). This is an ascent that you have to hike. It was about a 25- to 35-minute hike, but you will not be disappointed. When you reach the top you will see a sign proclaiming, "The Wettest Spot on Earth, Average Annual Rainfall 451 inches"!! Plus the view is jaw dropping.
I hope I have navigated you to the top of Waimea Canyon with ease. A couple of tips: you should pack some snacks before you leave, bring a couple of bottles of water (especially for the hike), and at the top, it is a bit cooler, you might want to bring a sweatshirt. Enjoy.