Mount Rausu
Mountain Active volcano on Shiretoko Peninsula, climbing destination
On Hokkaido’s Shiretoko Peninsula, this mountain anchors rugged coastal scenery and multi-day climbs; visitors combine ascents with wildlife watching and boat trips along the peninsula.
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Mount Rausu is a prominent volcanic peak on the Shiretoko Peninsula in eastern Hokkaido. It rises directly above the Pacific coast and is a key feature of Shiretoko National Park.
The mountain is a destination for experienced hikers who follow ridge routes to the summit for expansive views over the peninsula and the Sea of Okhotsk. The surrounding Shiretoko area is noted for abundant wildlife and rugged coastal scenery, and boat trips along the coast complement mountain visits.
The peak is part of a volcanically active landscape that has shaped the peninsula’s steep relief and coastal cliffs. The area’s growing protection as Shiretoko National Park recognizes its ecological and geological value.
Located on the eastern edge of Hokkaido, the mountain stands near the town of Rausu and faces the Sea of Okhotsk, forming one of the easternmost high points on the island.
- Park status and wildlife: Forms part of Shiretoko National Park and is a prominent landmark on the eastern tip of Hokkaido, prized for wildlife sightings and coastal views.
Tips for Visiting Mount Rausu #
- Climb Mount Rausu during the main summer window (typically mid‑June to early September) when the alpine trails are most accessible; outside that period snow and technical conditions persist and make the ascent far more difficult.
- Start very early from the Rausu/Onnemoto trailhead and consider hiring a local guide-Shiretoko's weather changes rapidly, the mountain is remote, and guided parties are typical for safety and route‑finding.
- Be bear‑aware: Shiretoko is prime brown‑bear habitat, so follow local park guidance, group up for hikes, and ask rangers or guides about recent bear activity before setting out.
Best Time to Visit Mount Rausu #
Best visited in July-September for hiking and wildlife on the Shiretoko peninsula; winter is harsh and many routes close.
Weather & Climate near Mount Rausu #
Mount Rausu's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in August) and freezing winters (coldest in February). Temperatures range from -16°C to 16°C. Abundant rainfall (1311 mm/year), wettest in September.
January
January is freezing with highs of -9°C and lows of -16°C. Moderate rainfall (71 mm), mostly overcast skies, and breezy conditions.
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February
February is the coldest month with highs of -10°C and lows of -16°C. Moderate rainfall (57 mm), mostly overcast skies, and breezy conditions.
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March
March is freezing with highs of -6°C and lows of -13°C. Regular rainfall (91 mm), mostly overcast skies, and breezy conditions.
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April
April is freezing with highs of 0°C and lows of -6°C. Regular rainfall (95 mm), mostly overcast skies, and breezy conditions.
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May
May is cold with highs of 5°C and lows of -1°C. Significant rainfall (115 mm), mostly overcast skies, and breezy conditions.
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June
June is cold with highs of 10°C and lows of 4°C. Significant rainfall (101 mm) and mostly overcast skies.
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July
July is cool with highs of 14°C and lows of 8°C. Significant rainfall (118 mm) and mostly overcast skies.
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August
August is cool with highs of 16°C and lows of 10°C. Significant rainfall (153 mm) and mostly overcast skies.
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September
September is cold with highs of 12°C and lows of 7°C. The wettest month with heavy rain (178 mm) and mostly overcast skies.
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October
October is cold with highs of 7°C and lows of 1°C. Significant rainfall (145 mm), partly cloudy skies, and breezy conditions.
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November
November is freezing with highs of 0°C and lows of -6°C. Significant rainfall (113 mm), mostly overcast skies, and breezy conditions.
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December
December is freezing with highs of -6°C and lows of -12°C. Moderate rainfall (74 mm), mostly overcast skies, and breezy conditions.
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