The “Stone of the Twelve Angles” is a famous carved stone located in a narrow street called Hatunrumiyoc, in the historic center of the city of Cusco, Peru. The stone is known for its intricate stonework and the uniqueness of its twelve perfectly fitted angles.
Stone of 12 angles
The Twelve Angles Stone is part of an Inca wall that used to be part of the palace of Inca Roca, one of the most important Inca rulers. The wall in which the stone is found is composed of blocks of stone that were cut and assembled with impressive precision, without the use of mortar.

Table of Content
- 1 What is the Twelve Angles Stone?
- 2 Famous stones of Cusco
- 3 Questions and answers about the stone of twelve angles?
- 3.1 Where is the Twelve Angles Stone located?
- 3.2 What is the importance of the Twelve Angles Stone?
- 3.3 What is the meaning of the twelve angles?
- 3.4 When was the Stone of the Twelve Angles built?
- 3.5 What is the size of the Twelve Angles Stone?
- 3.6 What material was used to build the stone?
- 3.7 How did the Incas manage to fit the angles so perfectly?
- 3.8 Is the Twelve Angles Stone embedded in a wall?
- 3.9 What is the state of conservation of the stone?
- 3.10 Is it possible to touch the Twelve Angles Stone?
What is the Twelve Angles Stone?
The Twelve Angles Stone, known in Spanish as “Rumi Maqui”, is a carved stone located in a street called Hatunrumiyoc, in the historic center of the city of Cusco, Peru. This stone is famous for its amazing stonework and for having twelve angles perfectly fitted together.
The Twelve Angles Stone is part of an Inca wall that was part of the palace of the Inca Roca, one of the most important Inca rulers. The wall is built with blocks of stone that were carved and assembled with great precision, without the use of mortar.
The stone is characterized by a polygonal shape with twelve angles and edges that fit perfectly with the adjacent stones. This precise fitting ability is a testimony to the knowledge and skill of the ancient Inca builders in stone carving.
The Twelve Angles Stone is considered an exceptional example of Inca architectural mastery and has become a symbol of Inca construction skill. It is one of the most outstanding tourist attractions in the city of Cusco and is often admired by visitors for its geometric perfection and construction technique.
Where is the Twelve Angles Stone?
The Twelve Angles Stone is located in the city of Cusco, Peru. Precisely, it is located on Hatunrumiyoc Street, in the historic center of the city. This street is just a few steps from the famous Plaza de Armas of Cusco and is easily accessible to visitors.
Famous stones of Cusco
Stone of the Twelve Angles: As mentioned above, it is located on Hatunrumiyoc Street, in the historic center of Cusco.
- Stone of the Fifty Angles: Also located on Hatunrumiyoc Street, near the Stone of the Twelve Angles.
- Piedra del Puma: It is located in the Plaza de San Blas, a picturesque plaza in the San Blas neighborhood. This carved stone shows the shape of a puma, a sacred animal in the Inca culture.
- Piedra de la Huaca: Located on Loreto Street, near the Plaza de Armas. It is a carved stone that is part of an Inca wall.
- Huayna Capac Stone: Located on Marques Street, also near the Main Square. This stone has an inscription that is believed to represent the Inca emperor Huayna Capac.

Questions and answers about the stone of twelve angles?
Where is the Twelve Angles Stone located?
The Twelve Angles Stone is located in Hatunrumiyoc Street, in the historic center of the city of Cusco, Peru.
What is the importance of the Twelve Angles Stone?
The stone is recognized for its precise carving and its twelve perfectly fitted angles, which is considered an impressive architectural achievement of the Inca culture.
What is the meaning of the twelve angles?
The twelve interlocking angles symbolize the skill and dexterity of the ancient Inca stonemasons in the construction and carving of stone.
When was the Stone of the Twelve Angles built?
The stone was built during the Inca period, estimated to be between the 15th and 16th centuries.
What is the size of the Twelve Angles Stone?
The size of the stone varies, but it is approximately 3 meters high by 3 meters wide.
What material was used to build the stone?
The stone is made of andesite, a type of volcanic rock from the region.
How did the Incas manage to fit the angles so perfectly?
The Incas used advanced stone carving and fitting techniques, using copper and bronze tools.
Is the Twelve Angles Stone embedded in a wall?
Yes, the stone is part of a larger Inca wall in Hatunrumiyoc Street.
What is the state of conservation of the stone?
Over the years, the stone has suffered natural wear and tear, but it has been largely preserved and measures have been taken to protect it.
Is it possible to touch the Twelve Angles Stone?
At present, it is forbidden to touch the stone to protect its integrity and prevent damage.









