Hike the most scenic mountain stream trail in Hawai'i. It's a short trek along the side of the stream with beautiful, lush views.

Kawaikoi stream trail starts 3/4 mile beyond the Forest Reserve entrance sign on the Mohihi-Camp 10 road & across the stream at "Sugi Grove". It's a DLNR maintained trail, so there's signage & mile markers for the trail.

At 1.75 miles total-roundtrip, it's a very easy walking trail, great for families, especially with small children. The first half follows the southern side of the stream. The upper portion makes a loop, first going inland, then returning on the north side of the stream to reconnect with the first half.

If you're not too distracted by the beautiful surroundings, you will find wild strawberry guava & blackberries to snack on in the winter-spring time ;)

At the starting point, on both sides of the Sugi Grove area, there are picnic areas & compost toilets, which is a nice luxury out in the wilderness. There's NO drinking water/faucets, however.

Pack List

  • 4WD, REQUIRED! To access this trail by driving in. The dirt road over the years has been vastly eroded & damaged in areas.
  • If you have 2WD, you will need to walk it in. Park along the side of the road at 0.9mi, starting the count after you've turned into Waineke (dirt) road. BE CAREFUL as it's a narrow, one way road the entire way & about a 3mi walk to get to the Sugi Grove area.
  • Hiking shoes/sneakers.
  • Food/snacks.
  • Water/drinks. As needed, because there is NO fresh/drinkable water.
  • Camera (with accessories).
  • Swim clothes/Towels. You can swim in the stream & certain areas are deep enough to create a nice "pool" effect. DON'T SWIM IF STREAM IS RAGING &/or FLASH FLOOD WARNINGS were issued.
  • It is a sanctioned camping area, with permits, so look into camping!
  • It's a year-round trail, but expect more rain in the fall-spring time. Lots of heat/humidity in the summer. Plan & dress accordingly.
Show More
RT Distance 1.75 Miles
Elevation Gain 40 Feet
Activities Chillin, Camping, Photography, Swimming, Backpacking, Hiking
Skill Level Beginner
Season Year Round
Trail Type Loop
Features
Bathrooms
Family Friendly
Forest
Picnic Area
River
Scenic
Wildflowers
Wildlife
Swimming Hole

Please respect the places you find on The Outbound Collective.

Always practice Leave No Trace ethics on your adventures. Be aware of local regulations and don't damage these amazing places for the sake of a photograph. Learn More

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