Symbolic Tower of the Tropic of Cancer in Shantou

At the southern foot of Jilong Mountain (鸡笼山) in Jinping District (金平区), Shantou, stands a city landmark filled with astronomical romance and geographical mysteries — Shantou Tropic of Cancer Marker Tower (汕头北回归线标志塔).

It is a classic image found in countless geography textbooks and one of the most representative astronomy education attractions in eastern Guangdong.

An invisible line — the Tropic of Cancer — passes directly through this location, making it a natural boundary between the tropical and subtropical zones.

Here, visitors can literally stand between two climate zones, look toward the sky from a special geographical coordinate, and experience a unique summer light phenomenon without traveling far away.

A Geographical Boundary Between Mountains and Sea: Shantou’s Astronomical Coordinate

Shantou Tropic of Cancer Marker Tower is located at the southern foot of Jilong Mountain in Tuolian Subdistrict (鮀莲街道), Jinping District, near Shantou University (汕头大学).

Surrounded by green hills and peaceful landscapes, the site is easily accessible while maintaining a quiet natural atmosphere.

The landmark was first built in 1984 and officially completed in 1986. It is precisely located on the standard coordinates of the Tropic of Cancer at:

23°26′N latitude and 116°35′E longitude

It is one of the earliest Tropic of Cancer marker towers built in mainland China.

Among China’s Tropic of Cancer landmarks, Shantou’s tower has a unique geographical position. It connects with the Tropic of Cancer Monument in Chiayi, Taiwan (台湾嘉义北回归线碑) to the east, and links with the marker towers in Conghua (从化) and Fengkai (封开) to the west, forming an important geographical landscape belt across southern China.

Unlike crowded urban attractions, this site combines mountain scenery, open views, and scientific value. Surrounded by forests and fresh air, it has become a peaceful and lesser-known destination for astronomy education and cultural tourism in Shantou.

Architectural Design Filled with Scientific Beauty and Artistic Wisdom

The Shantou Tropic of Cancer Marker Tower features a unique design that perfectly combines Chinese character aesthetics, astronomy knowledge, and architectural art.

The entire structure stands 13.6 meters high, with a circular base measuring 30 meters in diameter, creating a grand and balanced appearance.

The tower consists mainly of two distinctive elements:

• A giant support structure shaped like the Chinese character “北” (north)
• A hollow globe placed at the top of the tower

Together, they create a highly recognizable symbol representing the Tropic of Cancer.

A Perfect Combination of Chinese Design and Astronomy

The double-layer circular viewing platform provides a stable and spacious area where visitors can enjoy the scenery and take photos.

The two reinforced concrete structures of the tower intersect to form the shape of the Chinese character “北”. The surface of the supports is decorated with smooth white marble pieces, creating an elegant and refined appearance while symbolizing the unique geographical identity of the Tropic of Cancer.

At the top of the tower sits a 5-meter-diameter hollow globe.

The surface of the globe is decorated with blue, yellow, and white glass mosaics, clearly showing the world’s continents and oceans, with the outline of China easily recognizable.

At the center of the globe runs a vertical 40-centimeter stainless seamless steel tube, which serves as the tower’s solar observation hole and the key device for observing astronomical phenomena.

The entire structure avoids unnecessary decoration and expresses the beauty of science through simple geometric lines. It combines the clean style of modern architecture with the profound mysteries of astronomy and geography, with every detail carefully designed.

Summer Solstice Miracle: When the Shadow Disappears Under the Sun

The most spectacular attraction of Shantou Tropic of Cancer Marker Tower is the annual “No Shadow at Noon” phenomenon (立竿无影) during the summer solstice, usually around June 22.

As the tower sits precisely on the Tropic of Cancer, the sun shines directly above this latitude at noon on the summer solstice.

At this special moment, sunlight passes perfectly through the observation hole inside the globe at the top of the tower and projects vertically onto the center point of the circular base.

The sunlight falls straight down, causing the tower and people standing there to have almost no visible shadows.

For a few precious minutes, the relationship between the sun, the Earth, and human beings creates a breathtaking natural spectacle. It transforms textbook geography concepts — such as Earth’s revolution and direct solar radiation — into a real-life visual experience.

Beyond this astronomical wonder, visitors can also stand on the Tropic of Cancer line itself and experience the fascinating feeling of placing one foot in the tropical zone and the other in the subtropical zone.

It is a simple yet unforgettable way to feel the wonder of Earth’s latitude system.

A Peaceful Hidden Retreat: More Than Just a Scientific Landmark

Beyond its identity as an astronomical symbol, the Tropic of Cancer Marker Tower is also a wonderful leisure destination away from the crowds.

The surrounding mountains are covered with lush greenery, offering fresh air and a peaceful environment.

Standing on the viewing platform, visitors can overlook the natural landscapes, distant city views, and rolling hills, allowing both the eyes and the mind to relax.

There are no overwhelming crowds here, making it ideal for:

• Relaxed sightseeing and peaceful walks
• Astronomy and geography educational trips
• Photography and creative exploration

Whether traveling with children to discover astronomy and geography, visiting as a couple seeking a unique romantic landmark, or taking atmospheric photos as a culture lover, this destination offers a memorable experience.

Each season brings different scenery:

• Spring: gentle breezes and refreshing greenery
• Summer: clear sunlight and spectacular astronomical views
• Autumn: quiet mountain landscapes and peaceful surroundings

The attraction also provides educational display boards explaining the Tropic of Cancer, allowing visitors to gain knowledge while enjoying the scenery.

📌 Travel Tips for Shantou Tropic of Cancer Marker Tower

📍 Address:
Southern foot of Jilong Mountain, Tuolian Subdistrict, Jinping District, Shantou City, Guangdong Province (广东省汕头市金平区鮀莲街道鸡笼山南麓, north of Shantou University)

⏰ Opening Hours:
Open all day
(Daytime visits are recommended)

💰 Entrance Fee:
Free admission

✨ Main Highlights:

• Visit a famous geography textbook landmark
• Experience the summer solstice “no shadow” astronomical phenomenon
• Stand between tropical and subtropical zones
• Enjoy peaceful mountain scenery
• Join astronomy and geography educational activities
• Take unique atmospheric photos at a hidden cultural landmark

💡 Visiting Suggestions:

• Recommended duration: 30–60 minutes
• The best viewing time is around noon during the period near the summer solstice; arriving early is recommended for photography
• Combine the visit with Shantou University (汕头大学) and nearby rural attractions for a short western Shantou exploration route

A Geographic Line That Divides Two Worlds and Captures the Light of Four Seasons

A single Tropic of Cancer line divides two climate zones and records the changing sunlight of the seasons.

Shantou Tropic of Cancer Marker Tower (汕头北回归线标志塔) is not only a geographical symbol engraved on the land of Shantou but also an astronomical romance hidden among the mountains.

When traveling in Chaoshan (潮汕), consider leaving the crowded attractions behind and visiting this unique landmark. Touch the geographical code of the Earth, witness the harmony between nature and science, and experience the extraordinary combination of astronomical knowledge and architectural beauty.