03 Mar Aiea Loop Trail at Keaiwa Helau State Park – Oahu
Despite being a good 4.8 miles long, the Aiea Loop Trail is actually one of the least strenuous hikes we’ve done on Oahu. Taking the loop clockwise, the primarily shaded trail remains relatively flat until it dips into a bit of a valley during the last third of the hike. Like many other trails on the island, it’s important to watch your footing among the knobby tree roots and occasionally muddy patches.
The Keaiwa Helau State Park also boasts over a dozen geocaches, most of which are along the Aiea Loop Trail. If you have some time to spare, searching for a few geocaches can be a fun way to add another dimension to your hike (check out our intro post on geocaching if you have no idea what we’re talking about). We found 6 of the 7 caches we attempted, including the very first cache every placed in Hawaii and some creative ones, like this bird’s nest!
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