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Routes
Hikes
United States
Hawaiʻi County

Upper Waiākea Forest Reserve

Routes
Hikes
United States
Hawaiʻi County

Upper Waiākea Forest Reserve

The best walks and hikes in Upper Waiākea Forest Reserve

4.8

(3)

40

hikers

4

hikes

Hiking in Upper Waiākea Forest Reserve, located on the slopes of the Mauna Loa volcano on Hawaiʻi Island, is characterized by its lush greenery and tranquil atmosphere. The region features eucalyptus forests, planted in the early 20th century, which now form a unique part of the island's scenery. Hikers can expect misty surroundings and diverse plant life, including vigorous tree fern regrowth in some areas. The terrain offers opportunities for easy to moderate trails through this unique forest ecosystem.

Best…

Last updated: July 7, 2026

4.5

(2)

19

hikers

#1.

Puʻu Oʻo Trail loop

13.9km

03:35

70m

80m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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3

hikers

1.61km

00:27

30m

30m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

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Popular around Upper Waiākea Forest Reserve

Cycling in Upper Waiākea Forest Reserve

Tips from the Community

Christopher
October 30, 2023, Mauna Kea Base Start

This marks the start of Mauna Kea! From here you can enjoy the views of the absolutely gargantuan mountain overhead. By this point whether you rode from Hilo or the west coast, you've already done enough climbing to put most cyclists to shame. You can give yourself a pat on the back and enjoy the long descent back into town, or drop a gear and head up the mountain!

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If you translate Puʻu Huluhulu, it means hairy hill. But to be precise, it is a volcanic cone that is now covered with vegetation but is still surrounded by younger lava. Thanks to that phenomenon, you get a great combination of plants with volcanic features. The area includes some nice trails that can be combined however you like to extend or shorten the distance.

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As you probably know, there is a lot of lava and forest on Hawaiʻi Island, but those two usually don't fit together perfectly. But Puʻu Oʻo Trail is different and while hiking on lava fields you will find old-growth forest in between those fields, that got spared. Besides that crazy phenomenon, the trail is a paradise for birders and photographers as there are several species of endemic birds.

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Frequently Asked Questions

How many hiking trails are there in Upper Waiākea Forest Reserve?

The Upper Waiākea Forest Reserve offers a selection of 5 hiking trails, ranging from easy to moderate difficulty, providing diverse options for exploring this unique environment.

What is the terrain like in Upper Waiākea Forest Reserve?

The terrain is characterized by lush greenery, misty surroundings, and unique eucalyptus forests. You'll find paths winding through diverse plant life, including vigorous tree fern regrowth. Some sections may be sandy, so proper hiking shoes are recommended.

What kind of natural features can I expect to see?

Hikers can expect to immerse themselves in a serene landscape dominated by eucalyptus forests and diverse plant life, including abundant tree ferns. The reserve's location on the slopes of Mauna Loa contributes to its misty atmosphere and unique microclimates.

Are there any viewpoints along the trails?

Yes, some trails offer scenic views. For instance, the View of Mauna Kea loop from Pu’u O’o Trail is known for providing glimpses of Mauna Kea, while other paths may offer views of the coastline and surrounding mountains through the forest canopy.

What is the best time to visit Upper Waiākea Forest Reserve for hiking?

The Upper Waiākea Forest Reserve offers a tranquil experience year-round. Due to its misty environment, conditions can vary, but generally, the lush greenery is vibrant throughout the year. Checking local weather forecasts before your visit is always advisable.

Are the trails in Upper Waiākea Forest Reserve suitable for families with children?

Yes, there are trails suitable for families. For an easier option, consider the Puʻu Huluhulu loop — Hawaiʻi Island, which is 1.0 mile (1.6 km) long and leads through areas of diverse plant life, making it a manageable and engaging walk for most families.

Are dogs allowed on the hiking trails?

While the region is popular for outdoor activities, specific regulations regarding dogs on trails within the Upper Waiākea Forest Reserve can vary. It's best to check with local authorities or signage at trailheads for the most current information on pet policies.

Are there any circular routes available for hiking?

Yes, the reserve features several circular routes. Popular options include the Puʻu Oʻo Trail loop — Hawaiʻi Island and the View of Mauna Kea loop from Pu’u O’o Trail, both offering comprehensive experiences of the forest.

What should I wear for hiking in Upper Waiākea Forest Reserve?

Given the misty conditions and potential for sandy paths, wearing proper hiking shoes is highly recommended. Layered clothing is also advisable to adapt to changing temperatures and moisture levels in the forest.

Is parking available at the trailheads?

Information on specific parking facilities for hikers is not widely detailed, but areas like the 'Tree Planting Road' are known access points. It is generally advisable to look for designated parking areas near trail entrances or consult local maps for guidance.

Do I need a permit to hike in Upper Waiākea Forest Reserve?

Generally, permits are not required for casual hiking in the Upper Waiākea Forest Reserve. However, for specific activities or if you plan to venture into restricted areas, it's always wise to confirm with the Hawaiʻi Department of Land and Natural Resources.

What do other hikers enjoy most about the trails?

The trails in Upper Waiākea Forest Reserve are highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the quiet, misty atmosphere, the unique eucalyptus forests, and the opportunity for a serene escape into nature.

What are the difficulty levels of the hiking trails?

The trails in Upper Waiākea Forest Reserve offer a mix of easy and moderate difficulty levels. There are 2 easy routes and 3 moderate routes, ensuring options for various fitness levels and hiking preferences.

Most popular routes in Upper Waiākea Forest Reserve

Cycling in Upper Waiākea Forest Reserve

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