Address	Udohaean-gil, Jeju-si, Jeju-do
Area	Jeju
Type	Tourist attraction
Phone	• 1330 Travel Hotline: +82-2-1330 (Korean, English, Japanese, Chinese) • Jeju Travel Hotline: +82-64-740-6000
Website	http://www.visitjeju.net/
Directions	Naver Map Kakao Map Google Maps Google Maps has no turn-by-turn directions in Korea. Why

Under Udobong Peak is Geommeolle Beach, a very small beach, reaching only about 100 meters in total length, with a name literally translating to "black sand" in the Jeju dialect. Visitors can enjoy a beautiful sunrise, peaceful beach and the cool ocean water in the cave at the end of the beach.

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Jeju Luggage Delivery Service: From/To Jeju International Airport, Hotels and Golf Resort from USD 8.69
Jeju Tangerine Kart Pass from USD 10.85 · instant confirmation
Jeju 9.81 Park Ticket from USD 24.95 · instant confirmation

While you are there

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WOWPASS: One Card, Two Wallets, and the Gate That Won't Open
WOWPASS exchanges your money and pays in shops, and it carries a transit chip. But the two balances are separate, and the exchange never touches the transit one. Fees and limits as of August 2026.
Buses and Subways in Korea: How to Actually Ride Them
What to tap, where to tap, and the one mistake on buses that quietly costs you money. Fares, cards and transfer rules as of August 2026.
Why Korean Apps Reject Your Phone Number
Korean sites check your identity through a Korean mobile carrier. A tourist SIM has no record there, so sign-up fails no matter how many times you retype the number. Here is what still works.

Source: Korea Tourism Organization (TourAPI). Listing generated 2026-08-27 16:37 UTC; details can change — check the official page before you go.

Geommeolle Beach (검멀레해변)

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While you are there

Hundert Wasserpark

Cheonjin Port

Udo Island

Biyangdo Island

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