Main image

justinjfj CC BY-SA 4.0 Wikimedia Commons

Dadohaehaesang National Park

National Park

An archipelago-focused marine park off South Jeolla, Dadohaehaesang comprises islands, reefs and coastal waters. Visitors come for island-hopping, sea kayaking, ferry routes and local seafood; birdlife and rocky beaches reward short hikes and boat trips.

Dadohaehaesang National Park SeoulBusanJejuGyeongjuJeonjuDadohaehaesang National Park
In this guide

Dadohaehaesang National Park essentials

Address: Dadohaehaesang National Park, South Jeolla Province, Republic of Korea (multiple islands and marine zones)
Website: english.knps.or.kr
Hours: Open year-round; services vary by island
Admission: Park fees and boat permits may apply for marine activities-check national park authorities for current rates
GoogleAppleOSM
When to Go

Best Time to Visit Dadohaehaesang National Park

Late spring through autumn is the most pleasant window for island visiting and marine activities.

Late spring-summer
May-August · 18-28°C (64-82°F)
Good weather for island excursions; warm sea temperatures.
Autumn
September-November · 12-22°C (54-72°F)
Clear air, calm seas and brilliant foliage on larger islands.

Weather & Climate near Dadohaehaesang National Park

Climate

Temperate climate with hot summers (peaking in August) and cold winters (coldest in January). Temperatures range from 1°C to 28°C. Abundant rainfall (1485 mm/year), wettest in July.

Air Quality: AQI 59 Moderate
Best Time to Visit
OctoberSeptemberAugust
Temperature & Rainfall
Temperature Range
30°
Warmest Month
-2°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 1° - 7° 0° 37 mm partly cloudy 75% 3.7 m/s 0.4 low 10.0h
February Acceptable 1° - 7° 1° 60 mm partly cloudy 73% 3.5 m/s 0.6 moderate 10.8h
March Good 4° - 11° 5° 86 mm partly cloudy 73% 3.7 m/s 0.9 moderate 11.8h
April Good 8° - 16° 12° 128 mm partly cloudy 79% 3.9 m/s 1.2 high 12.9h
May Good 13° - 20° 16° 142 mm partly cloudy 86% 3.6 m/s 1.4 high 13.8h
June Good 17° - 23° 20° 234 mm overcast 91% 3.4 m/s 1.4 high 14.3h
July Good 21° - 26° 24° 259 mm overcast 92% 3.7 m/s 1.5 very high 14.1h
August Very Good 22° - 28° 25° 237 mm partly cloudy 87% 3.8 m/s 1.6 very high 13.3h
September Very Good 19° - 25° 22° 154 mm partly cloudy 81% 3.5 m/s 1.2 high 12.3h
October Very Good 13° - 20° 17° 62 mm some cloud 73% 3.3 m/s 0.9 moderate 11.2h
November Good 8° - 14° 11° 56 mm partly cloudy 72% 3.6 m/s 0.5 low 10.2h
December Good 3° - 9° 3° 30 mm partly cloudy 74% 4.0 m/s 0.3 low 9.7h
Getting There & Around

How to Get to Dadohaehaesang National Park

Access depends on which island is the destination. Major gateways include Mokpo and the coastal ports of South Jeolla Province, from which ferries and charter boats serve island routes. Check timetables at Mokpo ferry terminals for connections.

Tips for Visiting Dadohaehaesang National Park

  • If island-hopping, use licensed operators and check schedules-sea conditions can alter itineraries quickly.
  • Bring insect repellent for island interiors in summer-some islets have dense vegetation.
  • Respect seasonal fishing and aquaculture zones; many islands are still working landscapes.