Mauna Loa Forest Reserve is a vast region on the northern slopes of Mauna Loa, one of the world's largest active volcanoes. This expansive area features dramatic volcanic landscapes, including extensive lava flows and significant elevation changes. Diverse ecosystems range from barren rock to native ʻōhiʻa forests, offering varied terrain for several sports like hiking. The reserve provides access to high-altitude environments and unique geological formations such as pit craters and kīpuka.
13
Routes
5
(15)
Average rating
198
People visited

5.0
(1)
8
hikers
20.7km
06:32
860m
860m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

9
hikers
1.52km
00:26
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

1
hikers
19.1km
05:52
700m
700m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

3
hikers
1.61km
00:27
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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5.0
(1)
5
riders
48.1km
04:41
2,180m
2,180m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
5
riders
57.4km
04:23
1,410m
1,410m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
4
riders
27.2km
02:50
1,380m
1,380m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Mauna Loa Forest Reserve offers various outdoor activities, primarily hiking and cycling. The reserve features 9 routes across these sports, with an average rating of 4.87 stars from over 700 visitors. These routes traverse volcanic terrain and diverse ecosystems.
Notable hiking trails include the challenging Mauna Loa Summit Trail, a 12.9-mile (20.8 km) route across volcanic terrain. For a less strenuous option, the Puʻu Huluhulu Trail is a 1.0-mile (1.6 km) loop exploring volcanic landscapes and native forests. More information can be found in the Hiking in Mauna Loa Forest Reserve guide.
Yes, the Mauna Loa Forest Reserve offers easier hiking options. The Puʻu Huluhulu Trail is a 1.0-mile (1.6 km) route suitable for those seeking a less strenuous experience. This trail provides panoramic views and explores unique volcanic landscapes. Additional easy routes are detailed in the Easy hikes in Mauna Loa Forest Reserve guide.
The Puʻu Huluhulu Trail is a 1.0-mile (1.6 km) loop that is suitable for families. It offers an opportunity to explore volcanic landscapes and native forests. Further family-friendly options are available in the Family-friendly hikes in Mauna Loa Forest Reserve guide.
The reserve features dramatic volcanic landscapes, including extensive lava fields and significant elevation changes. Diverse ecosystems range from barren rock to native ʻōhiʻa forests. Unique geological formations such as pit craters, solidified lava lakes, and kīpuka (islands of older forest) are also present.
Mauna Loa Forest Reserve is situated on the slopes of Mauna Loa, which stands at 13,681 feet (4,170 m) above sea level. Hiking in the reserve often involves significant elevation gains, leading to high-altitude environments. The climate varies greatly with altitude.
Yes, the Mauna Loa Observatory Road is a managed trail that accommodates bikers. This 17.5-mile (28.2 km) route provides scenic viewpoints and leads towards the summit of Mauna Loa. It is also used by 4-wheel drive enthusiasts.
Mauna Loa Forest Reserve is a popular destination on komoot, with more than 700 visitors having explored its routes. The 9 available routes have an average rating of 4.87 out of 5 stars. This indicates a high level of satisfaction among users.
Komoot offers several guides for the region, including Hiking in Mauna Loa Forest Reserve, Easy hikes in Mauna Loa Forest Reserve, and Family-friendly hikes in Mauna Loa Forest Reserve. These guides provide detailed information and recommendations for exploring the area.
The Mauna Loa Forest Reserve is managed by the Hawaii Department of Land and Natural Resources (DLNR), Division of Forestry and Wildlife (DOFAW). Information can be found on the DLNR website at dlnr.hawaii.gov. For inquiries, the Hawaii Island Branch of DOFAW can be reached at +1-808-974-4221.
The reserve features diverse ecosystems that transition with altitude. These include barren rock, native ʻōhiʻa forests, montane wet ʻōhiʻa and koa forests, and lowland dry grassland. The adjacent ʻOlaʻa Forest Tract is one of the largest remaining virgin ʻōhiʻa and fern forests in the Hawaiian Islands.
The Mauna Loa Observatory Road is a 17.5-mile (28.2 km) managed trail within the reserve. It is accessible for hiking, biking, and 4-wheel drive vehicles. The road offers scenic viewpoints and provides access towards the summit of Mauna Loa.

