Waimea Canyon State Park

Park Deep canyon on Kauai, dramatic red and green cliffs

On Kauai, Waimea Canyon State Park features red basalt cliffs, waterfalls and lookout roads; visitors hike trails, photograph vistas and drive to viewpoints in Kokee State Park.

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Waimea Canyon State Park is a large scenic canyon and public park on the western side of Kauai, Hawaii, known locally as the “Grand Canyon of the Pacific.” The canyon is a deep, eroded valley cut into volcanic rock and is a major scenic attraction on the island.

The canyon developed through erosion of uplifted volcanic rock and ongoing incision by streams, primarily the Waimea River; its present form is the result of volcanic activity followed by long-term erosion rather than human construction. The area was set aside for public use and recreation as part of Hawaii’s system of parks and protected areas.

The park occupies a large portion of western Kauai, inland from the small town of Waimea and reachable by road from the main population areas; the island’s principal airport and larger service centres are on the opposite side of the island, so expect a drive of roughly an hour or more from the main transport hubs.

  • Best light and viewpoints: The canyon is often best photographed in morning or late afternoon light when the layered red and green contrast is strongest, and many lookouts have parking and short paved viewpoints.
  • Practicalities: Combine a visit with nearby Kokee State Park for longer hikes and higher ridge viewpoints; services are limited inside the park so bring water and fuel up before driving in.

What to See #

  • Waimea Canyon Lookout: A series of roadside lookouts and viewing areas along Waimea Canyon Drive provide panoramic views of the canyon walls, red soil layers, and waterfalls; the main Waimea Canyon Lookout is the most visited viewpoint and has an established parking area and viewing platform.
  • Kokee State Park: Kokee State Park lies adjacent to the canyon to the north and contains multiple trailheads that connect into the canyon landscape, offering longer hikes and access to ridge-top viewpoints.
  • Key trails: Canyon Trail to Waipo'o Falls is a popular hiking route that descends from ridge viewpoints into the canyon to a waterfall viewpoint; trail lengths vary from short lookout walks to multi-kilometre hikes.
Waimea Canyon State Park
Waimea Canyon State Park, Kokeʻe Road, Waimea, Kauai, HI
22.0561, -159.6653

How to Get to Waimea Canyon State Park #

From the town of Waimea (Kauai’s west side), drive up Waimea Canyon Drive (Highway 550) for approximately 30-45 minutes to reach the main lookouts and trailheads. The park is about 45 km from Lihue; private cars are the most practical option.

Tips for Visiting Waimea Canyon State Park #

  • Arrive at Kokee/Waimea Canyon viewpoints at sunrise for the clearest light and least wind.
  • Drive the Waimea Canyon Drive to the main lookouts; parking fills by mid-morning in high season.
  • Bring a windproof layer - canyon winds can be bracing even on warm days.

Best Time to Visit Waimea Canyon State Park #

Accessible year-round; for dramatic waterfalls visit after winter rains, but for clear views and hiking choose spring to autumn.

Winter
December-February · 15-22°C (59-72°F)
Lush canyon walls from winter rains; waterfalls are fuller, though some trails may be wet.
Spring and Autumn
March-May, September-November · 16-24°C (61-75°F)
Pleasant temperatures and moderate trail conditions; fewer visitors than peak summer.
Summer
June-August · 18-28°C (64-82°F)
Warm and dry; clear views but higher visitor numbers.

Weather & Climate near Waimea Canyon State Park #

Climate

Waimea Canyon State Park's climate is classified as Oceanic - Oceanic climate with warm summers (peaking in August) and mild winters (coldest in January). Temperatures range from 11°C to 24°C. Abundant rainfall (1331 mm/year), wettest in January with a pronounced dry season.

Temperature & Rainfall
Temperature Range
24°
Warmest Month
11°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 19°C and lows of 11°C. The wettest month with heavy rain (346 mm).

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°

Weather

346 mm
Rainfall
3.9 m/s
Wind
Light Breeze

February

February is cool with highs of 20°C and lows of 11°C. Moderate rainfall (62 mm).

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°

Weather

62 mm
Rainfall
4.1 m/s
Wind
Light Breeze

March

March is cool with highs of 20°C and lows of 12°C. Significant rainfall (114 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 20°

Weather

114 mm
Rainfall
4.2 m/s
Wind
Light Breeze

April

April is cool with highs of 20°C and lows of 14°C. Significant rainfall (121 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
14° 21°

Weather

121 mm
Rainfall
4.2 m/s
Wind
Light Breeze

May

May is mild with highs of 22°C and lows of 15°C. Moderate rainfall (64 mm).

Comfort

18°
Feels Like Mild
18°C
Temperature
15° 22°

Weather

64 mm
Rainfall
3.8 m/s
Wind
Light Breeze

June

June is mild with highs of 23°C and lows of 16°C. Moderate rainfall (31 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
16° 23°

Weather

31 mm
Rainfall
3.9 m/s
Wind
Light Breeze

July

July is mild with highs of 24°C and lows of 17°C. Moderate rainfall (35 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
17° 24°

Weather

35 mm
Rainfall
4.4 m/s
Wind
Light Breeze

August

August is the warmest month with highs of 24°C and lows of 17°C. Moderate rainfall (73 mm).

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 24°

Weather

73 mm
Rainfall
4.1 m/s
Wind
Light Breeze

September

September is mild with highs of 24°C and lows of 16°C. Moderate rainfall (41 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 24°

Weather

41 mm
Rainfall
3.6 m/s
Wind
Light Breeze

October

October is mild with highs of 23°C and lows of 15°C. Significant rainfall (195 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 23°

Weather

195 mm
Rainfall
3.5 m/s
Wind
Light Breeze

November

November is cool with highs of 21°C and lows of 14°C. Significant rainfall (162 mm).

Comfort

18°
Feels Like Cool
18°C
Temperature
14° 21°

Weather

162 mm
Rainfall
4.0 m/s
Wind
Light Breeze

December

December is cool with highs of 20°C and lows of 12°C. Regular rainfall (87 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
12° 20°

Weather

87 mm
Rainfall
3.9 m/s
Wind
Light Breeze

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