Park Entry & Aiea Loop Trailhead

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About Aiea Loop Trail : Keaiwa Heiau State Recreation Area:

Trail Length: 4.8 mi. loop
Activity: Pedestrian
Difficulty: Easy to Moderate
Terrain: Forested and open ridge
Elevation Gain: 900 ft

Park Name: Keaiwa Heiau State Recreation Area

Description: The ‘Aiea Loop Trail is 4.8-mile trail that begins and ends in the park. This trail runs along the ridge on the west side of Halawa Valley and offers views of the southern coastline of O‘ahu from Pearl Harbor (Pu‘uloa) and the Wai‘anae Range to Honolulu and Diamond Head (Le‘ahi).

Much of this area was replanted by foresters in the late 1920s. The lemon eucalyptus trees give the air a light citrus fragrance. Stands of Norfolk Island pine trees mark the lower end of the trail. Look for the native koa and ohi‘a trees as you reach Pu‘u Uau, the high point about midway along the length of the trail. You might also see remnants of a B-24 bomber that crashed in 1944.

This hike is not strenuous but involves some gradual uphill climbs with a steep switchback and a stream crossing at the end of the trail. The trail may be muddy with sections of exposed tree roots. Give yourself about 2.5 to 3 hours for the hike and enjoy the plants and the sound of birds around you.

Route: The trailhead is off the park road at the upper eastern end of the park marked by parking lots, picnic pavilions and restroom. Park you car in a marked stall and look for the trail sign. The trail will come out at the lower campgrounds. Follow the park road back to your car.

Directions: Follow H-1 to Moanalua Highway (Route 78). Take the ‘Aiea cutoff to the third traffic light, make a right turn at ‘Aiea Heights Drive and follow it about 3 miles up to the end of the road. Continue on the on-way park road to the trailhead.

Additional Info: Mountain Biking is allowed on this trail. Mountain bikers should yield to hikers. Stay on the trail. Keep dogs on leash. Pack out at least what you pack in. No open fires.

CAMPING IS NOT ALLOWED ON THIS TRAIL

HIKING PERMIT NOT REQUIRED

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Wikipedia: About Aiea Loop Trail : Keaiwa Heiau State Recreation Area: Keaiwa Heiau State Recreation Area is the ruins of a temple (Heiau in the Hawaiian language) at the summit of a hill and neighborhood called Aiea Heights on Oahu, Hawaii. The recreation area includes camping facilities and a 4.8-mile (7.7 km) trail. It also offers clear views of Pearl Harbor.

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