Humuʻula Trail

Trail in Hilo Forest Reserve (Humu'ula Section)


  • Directions

    Geolocation is not allowed
  • Distance

    5.82 miles


The trail first passes through mixed exotic forest, then native koa (Acacia koa)/ʻōhiʻa (Metrosideros polymorpha) forest, and finally through former pasture, before rising 3,250' in elevation in 5.5 miles to reach the old Civilian Conservation Corps camp and Ranger station at Keanakolu. The trail is not well maintained and can be difficult to negotiate in wet weather. Catchment water is available at Keanakolu, but purify before drinking. Area is open to year-round game mammal hunting. Wear bright colored clothing.

Difficulty: Moderate

Highest Point: 5,300 ft.

Lowest Point: 2,050 ft.

Allowed Activities
Horseback Riding
Rifle Hunting
Wildlife Watching
Rules & Regulation
No Motorized
Allowed Access

Additional Information


  • No Motorized Vehicles
  • No Plant Sand Dirt Rock Removal


  • Equestrian
  • Hiking
  • Hunting
  • Pedestrian
  • Tours
  • Wildlife Viewing


  • Dangerous Footing
  • Hunting Area

Dog Owners

Hunting may be in progress on or near this hiking trail. Hunting dogs may be off-leash while engaged in the hunt. Hikers must keep their dogs leashed at all times and remove dog waste while on this trail.


  • Cabins


Permits for the Keanakolu Ranger & Bunkhouse Cabins are available at the link below.


  • Nature Study
  • Sensitive Area

Simple Trail Tips

  1. Stay on the trail. 
  2. Check the weather 
  3. Watch the time 
  4. Avoid undue risk 
  5. Read all posted signs 
  6. Respect other trail users 
  7. Pack out at least what you pack in

Special Conditions

Do not use any trail or access road that is not delineated by name and color and that may also be displayed on these maps. The marked features are managed for public recreational use. Other trails or roads that branch off from the public features may be on private property, and are not managed for any public recreational use. Access is subject to adjacent landowner approval, and if used without authorization, you will be trespassing and possibly putting yourself at risk. Downloadable resources are provided below.


A partially paved, four wheel drive road leads mauka from Highway 11 at the 30 mile post in ʻOʻōkala. Follow road 2.7 miles to the Hilo Forest Reserve boundary and Humuʻula Trail. This is a private road, so please respect its use.