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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Kahakapao Loop Trail

Ends at Piiholo Reservoir
2,023 ft of climbing

10.9 mi out & back · 2,023 ft gain · 3,667 ft high point · Hard

HI · OpenStreetMap contributors

About Elevation Highlights Map Camp near here More hikes

About this hike

This 10.9 mile out and back route reaches Piiholo Reservoir near Olinda, climbing 2,023 feet.

Elevation

2,023 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

5.0 mi from the trailhead
Hosmer Grove Campground
Campground · HI

More hikes nearby

Ranked the same way, within twenty-five miles.

18 mi from you
Pīpīwai Trail
- Ends at Waimoku Falls
- Inside Haleakalā National Park
- Camp under a mile away
3.2 mi out & back · 987 ft gain · Moderate
Haleakalā National Park · Camp under a mile away

Out: 990 ft up, returns the same way. Source: USGS 3DEP.

Highlights

What the trail reaches, measured from the start.

Piiholo ReservoirDestination · 5.4 mi in

Nearby reading

Olinda, Hawaii

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 10.9 mi
Shape: Out & back
Gain: 2,023 ft round trip
High point: 3,667 ft
Low point: 2,728 ft
Difficulty: HardFrom 10.9 mi and 2,023 ft of climbing
Managed by: OpenStreetMap contributors
State: HI
Camps within 15 mi: 5
Trailhead: 20.8319° N · 156.2756° W

Get directions Open the map

7.4 mi from the trailhead

Haleakalā National Park (Wilderness Tent Permit)

Campground · HI

7.4 mi from the trailhead

Wilderness Tent Sites

Campground · HI

19 mi from you

Waiheʻe Ridge Trail

Summits Lanilili
1,691 ft of climbing

4.2 mi out & back · 1,691 ft gain · Moderate

HI

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Aiea Loop Trail
- Passes Puʻuʻuaʻu
- 3,335 ft of climbing
8.4 mi out & back · 3,335 ft gain · Very hard
HI · Camp 9 mi away
Puʻu O Kila to Alakaʻi Swamp
- Passes Kilohana
- 1,832 ft of climbing
7.6 mi out & back · 1,832 ft gain · Hard
HI
Kalalau Trail
- Ends at Hoolea Falls
- 14,606 ft of climbing
19.8 mi out & back · 14,606 ft gain · Very hard
HI
Ala Kahakai National Historic Trail
- Passes a viewpoint
15.4 mi out & back · 668 ft gain · Hard
HI

Weather

7-day forecast

Today73°61°Sunny
Sun74°62°Mostly Sunny
Mon74°62°Mostly Sunny
Tue74°62°Partly Sunny
Wed74°61°Mostly Sunny
Thu73°61°Mostly Cloudy
Fri73°61°Partly Sunny

Today: Sunny · wind 15 mph ENE

National Weather Service · refreshed hourly

Signal

Cell coverage here

VerizonLTE · Poor
AT&TNo signal

FCC coverage data · signal varies in remote terrain