Plizio Visual Lab

Ohyon-ri Larch Forest

Plizio editorial teamUpdated: Jun 2026Data Sources

Forest

Weather…

The Ohyon-ri Larch Forest is a significant nature conservation area located in Ryongyon County, South Hwanghae Province, North Korea. This forest is distinguished by its exceptional density and the advanced age of its timber, with many individual trees dating back over a century. Geographically, the site occupies hilly terrain that provides the well-suited soil conditions for the growth of the Korean larch (Larix olgensis). The preservation of this forest holds great scientific value for forestry and ecology, serving as a vital genetic reservoir for native tree species. While portions of the forest were historically utilized for timber production, its designation as a natural monument has shifted the focus entirely toward biodiversity protection. The forest provides a sanctuary for various woodland wildlife and rare avian species that nest within its thick canopy. Researchers and nature enthusiasts value the area for its undisturbed natural dynamics and the spectacular golden coloration of the larch needles during the autumn months. Forestry officials conduct regular monitoring and pest control measures to ensure the long-term sustainability of this unique and ancient ecosystem.

Location: North Korea
Nearby: Hyesan (20 km)

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-14	-11	-5	4	11	16	19	18	13	5	-4	-12
Rain mm	9	13	19	36	67	78	165	139	74	34	29	13

📋 Practical info

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Getting there

Access to this globally unique protected area in Ryanggang Province is highly restricted and predictably requires joining a tightly scheduled, state-approved official tour group with provided transport.

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Best season

Crisp autumn is widely considered the most spectacular time to visit, when the ancient overarching larch trees turn a brilliant striking golden yellow before shedding their needles for the harsh winter.

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Terrain & paths

The ancient forested environment features mature, widely spaced ancient trees set on gently undulating northern terrain, with mostly unpaved natural earth trails specifically designed to minimize human impact.

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What to bring

Visitors should always strictly dress in highly respectful, conservative outdoor layers suited for a noticeably cool northern climate, keeping closely in mind that tourist amenities are exceedingly scarce.

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Parking

Independent driving is absolutely never permitted anywhere near this site; designated official tour buses or assigned state vehicles will strictly park in specifically designated administrative zones at the entrance.

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Safety

Beyond standard common-sense precautions for gracefully walking in a remote natural wooded environment, absolute unquestioning adherence to all rules and boundaries set by official state guides is strictly mandatory.

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Time needed

Official state excursions to these incredibly ancient woods are usually very tightly scheduled within a much broader regional itinerary, typically allowing for a supervised guided walk lasting between one and three hours.