Halla Arboretum was established for the study and the preservation of natural environment. Opened in December 1993, Gwangioreum there are 909 kinds of native trees and subtropical plants exhibited here. In the gardens there are 506 kinds of trees and 90 kinds of plants, and in the greenhouse there is the Subtropical Plant Hall (105 kinds) and the Native Plant Hall (103 kinds) with a total of 208 types of plants. There are 2,722 stumps of endangered and rare plants such as the Michelia Compressa and Euchresta Japonica, and the Chloranthus Glaber that only grows at Cheonjiyeon. At Halla Arboretum you can meet the four-season flower forest, colorful forests, and the beautiful seasons of mother nature at Halla.
Horse riding is an exercise that raises your flexibility and a sense of balance. There are some unique horseback riding programs for beginners to experts.

Yongduam Dragon Head Rock: Situated to the north of Jeju City, Yongduam was created by strong winds and waves over thousands of years. However, there are plenty of other stories of how it came to be. One legend has it that a dragon stealing precious jade from Mt. Halla was shot down by an arrow from the mountain deity. When he fell down on Yongduam, his body immediately sank into the ocean and his head rapidly froze looking at the sky. Another legend has it that a white horse, who dreamed of being a dragon and ascending to the sky, came to be caught by a soldier and froze into the rock.
Dongmun Traditional Market: Jeju Dongmun Traditional Market was established after the liberation in 1945. Due to a big fire that broke out in March 1954, the whole market and the nearby area was reduced to ashes. The market then moved to its current location and kept the original name. As one of the most popular traditional markets in Jeju, Dongmun has served countless customers, selling diverse items at inexpensive prices.
Samyang Black Sand Beach is not well-known among tourists, enabling it to keep its clear waters compared to other beaches, as well as its sparkling black sand. As the black sand's therapeutic effect, especially on neuralgia and obesity, has become more known, visitors can often be seen lying down on the beach and burying themselves in the black sand.

Fishing: Feel the cool clear breeze of Jeju Island’s beautiful sea on the fishing boat. A perfect leisure experience and pastime you can do in the land of natural wonders. A professional boat captain will stop at the best fishing spots and guide you through how to set a hook, drop the line, and wind or unwind the line.
Iho Taewoo Beach is conveniently located close to downtown Jeju City. The sandy, gently-sloping beach and its mix of city amenities and natural beauty make it a popular destination for tourists during the summer. There are plenty of things for visitors to enjoy in the beach area. Visitors can rent boats to go fishing or fish off the seawall, an area known among the local fisherman for its abundance of sea smelts. For a little exercise, take a walk by the pine trees to explore the lighthouses made in the shape of horses—both cute and functional. Finish up the day with dinner at one of the many nearby sashimi restaurants and enjoy the gorgeous nightscape.

Jeju Stone Park is an ecological and cultural park that displays the history of stone culture pivotal to the history and culture of Jeju Island. Because the park covers a wide variety of exhibitions in a large area, visitors may want to take enough time to look around in the park. Befitting the unique natural landscape on Jeju Island, the park is situated nearby oreum small volcanic cones scatted throughout the island. Visitors can arrive at the entrance of the park by walking along what looks like fortress walls on a gentle hill. The entrance itself is a great spot to overlook nearby attractions.
Sangumburi Crater is a crater with a circumference of over 2 km, and has been designated as a Natural Monument. It is located on the southeast side of Jeju-si, and is a flat crater, about 650 meters wide, 100 meters deep, and 2,070 meters in circumference. If you look at the crater from above up, it looks like a man-made circular stadium. There is a variety of plant-life in the crater. On the north side, Nandaeseong vegetation such as red-thorn trees, and magnolia trees grow, along with the rare winter strawberries. On the south side of the crater, Ondaerim vegetation such as evergreens, maples, and mountain strawberry trees cover the area. Because so many different kinds of trees and plants grow in such a limited space, it attracts the attention of researchers as well.
Seongeup Folk Village: Cultural properties in the folk village have been handed down from generation to generation and include treasures such as residential houses, Confucian shrines and schools, ancient government offices, stone statues, large millstones (pulled by horses or ox), fortress ruins, and stone monuments. Among the cultural gems of the folk village are intangible cultural assets such as folk plays, native foods, local folk craftsmanship, and local dialect. Even the trees are an important part of the area’s heritage. Several zelkova and nettle trees that are hundreds of years old stand at the center of the village, preserving the dignified atmosphere of a bygone era.

Saebyueol Oreum is a parasitic volcano located almost 520 meters above sea level. The mountain is renowned for its elegant curves, connecting ridges as well as being one of the best spots to overlook the nearby landscape. While thickets blanket the North Slope, the rest of the mountain is a meadow. Burial mounds can be seen on the northwest, southwest and the southern outskirts of the mountain. The name is related to Saebyeol Oreum the lonely morning star rising first in the night sky. Visitors can climb to the top of the mountain within 30 minutes.
Hallim Park, reaching almost 100 thousand square meters, has a variety of gardens that can be enjoyed in any season. Visitors can enjoy checking out Palm Tree Road, Jeju Stone and Bonsai Garden, Water Garden, Subtropical Botanic Garden and much more. The most famous tourist sites in Hallim Park are Hyeopjaegul and Ssangyonggul Caves, known to be the only two-dimensional caves in the world. In addition, a folk village, children's amusement park and outdoor resort facilities make it enjoyable for both children and adults.

Manjanggul Cave is one of the finest lava tunnels in the world, and is a designated natural monument. A lava tunnel is formed when the lava that was deep in the ground spouts from the peak and flows to the surface. Manjanggul Cave has a variety of interesting structures inside including 70cm lava stalagmites and the lava tube tunnels.
Jeju Haenyeo Museum refers to female divers who dive into the ocean water to gather various shellfish, seaweed, etc, without using any underwater diving equipment. When diving underwater, a haenyeo carries only a pair of goggles, a round ball-like tube to keep her balance, and a basket to put her collections in. Such women involved in the fishing industry are known to be scattered all around Jeju-do, Korea, Japan, and Russia. Jeju-do has established the Jeju Haenyeo Museum to introduce to the world the unique activities and culture of Jejudo’s haenyeo female divers.

Seogwipo Submarine offers safe undersea tours in its recently acquired state of the art submarine from Finland. Munseom, where the submarine travels, is home to outstanding coral reefs, colorful schools of fish, and rich seaweed. The exquisite landscape makes it one of the most beautiful places to dive as well. Going deep into the 40 meter sea-bed, visitors can see countless fish, rare iridescent coral reefs, and a surreal-looking shipwreck with schools of fish surrounding it. Over 20 years of technical knowhow and safe operation (in fact, the longest submarine tour without a single accident on record) make Seogwipo Submarine a must-see attraction on Jeju Island.
Oedolgae Rock sits not far from the shores of Sammaebong, Seogwipo. It is an amazing rock 10 meters in circumference and 20 meters in height and is also known as Janggunseok Rock. It is surrounded by beautiful islands such as Bum Island, Sae Island and Seonnyu (fairy) Rock.