The Longest Tunnels In Hawaii Have A Truly Fascinating Backstory

From Kauai’s stunning Waimea Canyon and Hawaii Island’s Kilauea Caldera to Maui’s Mount Haleakala, Hawaii is full of majestic natural wonders. The Aloha State is also home to several man-made wonders and pieces of architectural brilliance, including the longest tunnels in the state. Let’s take a look at these feats of engineering.

We’re aware that these uncertain times are limiting many aspects of life as we all practice social and physical distancing. While we’re continuing to feature destinations that make our state wonderful, we don’t expect or encourage you to go check them out immediately. We believe that supporting local attractions is important now more than ever and we hope our articles inspire your future adventures! And on that note, please nominate your favorite local business that could use some love right now: https://www.onlyinyourstate.com/nominate/

If you haven’t traveled through the Tetsuo Harano Tunnels along the H-3 Highway, you’re missing out on some of the best views of the Ko’olau Mountains you can find.