Ong Hoang Castle

Perched atop Ong Hoang Hill in Binh Thuan Province is a remarkable historical site—Prince's Castle (or Ong Hoang Castle). This location features the atmospheric ruins of a French colonial villa, which today stand harmoniously alongside the ancient Po Sah Inu Cham Towers, built back in the 8th century. When visiting Vietnam, many travelers seek out this spot for its unique blend of architectural styles and breathtaking views.

Prince's Castle. Иллюстрация. Источник: Kupi.com AI

Only the stone foundation and fragments of towers remain of the once-luxurious estate covering over 500 square meters, but this doesn't diminish its charm. Located within the city of Phan Thiet, the complex serves as a magnificent lookout point. From the hilltop, a panoramic view of the azure coastline and sand dunes unfolds, making the castle one of the most photogenic spots in the region.

Along with the remnants of European architecture, visitors can see old bunkers and Cham religious structures dedicated to Hindu gods. This place is not just an open-air museum, but a living chronicle where the eras of ancient kingdoms and the colonial past intertwine.

To check for current information before your visit, you can refer to the site's official address. While the ruins do not have a dedicated telephone line for tourists, they are easy to find by following navigation to the Po Sah Inu towers area.

The main adventure begins with a short climb: visitors follow a winding rocky path to the hilltop. During the walk, you can see overgrown fortifications and old bunkers that give the place an atmosphere of authentic exploration. The main goal is to see the surviving fragments of the villa and the elegant Cham towers decorated with ancient carvings.

Photography enthusiasts should definitely visit during the "golden hour"—at sunrise or before sunset. This is when the viewing platforms offer the most impressive views of the Phan Thiet area and the endless coastline of Mui Ne. It is the perfect spot to capture the contrast between the bright red brick of the ancient structures and the blue of the sea.

You can combine your exploration of the ruins with a look into the region's history, imagining the luxurious life of the French aristocracy at the beginning of the last century. The complex's grounds are perfect for peaceful walks and contemplation, allowing you to take a break from the hustle and bustle of resort areas and touch the secrets of the past surrounded by picturesque nature.

Reaching the historic hill is easy, as it is located just 3–5 kilometers from the city center and the popular resort of Mui Ne. The most convenient way is to take a taxi or rent a motorbike. When planning your route, follow the signs for the Po Sah Inu Cham Towers, as Prince's Castle is located in their immediate vicinity.

Most of the journey is on an asphalt road, but the final 500–600 meters to the summit must be covered on foot along a rocky path. The climb takes about 15–20 minutes and passes by old fortifications. It is recommended to wear comfortable sports shoes and bring water, especially during the hot part of the day.

Public transport to the hill is infrequent, so calling a car via the Grab app or using local taxi services is the best option. If you are coming from Ho Chi Minh City, you first need to reach the city's railway station or bus terminal and then transfer to local transport.

The history of this site began in 1911 when the French Duke de Montpensier (Ferdinand d'Orléans), enchanted by the local landscapes, decided to build a luxury villa here. Construction cost a colossal sum for those times—82,000 Indochinese silver coins. The castle was the epitome of colonial splendor: the building, spanning over 500 square meters, included 13 rooms and was equipped with the latest technology of the early 20th century.

The building's fate was changeable. In 1917, the villa was sold to hotel owner Prasett and later became the property of the last emperor of Vietnam, Bao Dai. Unfortunately, decades and a lack of restoration turned the once-magnificent palace into picturesque ruins. Today, only the sturdy stone foundation and remnants of walls, which locals call the "Dilapidated Palace of Ong Hoang," remain as reminders of its former glory.

However, Ong Hoang Hill has a much older history than the French development. Back in the 8th century, the Champa people built the Po Sah Inu towers here, dedicated to Hindu deities—Shiva, Agni, and Nandi. Thus, the castle grounds represent a unique "layer cake" of different eras: from an ancient kingdom to the French protectorate and the times of the Vietnamese empire.

A standard tour of the site usually takes 1 to 2 hours. This is enough time to leisurely climb the hill, explore the ruins of the French villa and the ancient Cham towers, and take memorable photos at the viewpoint.

If you plan to visit at sunrise or sunset to catch the perfect light for panoramic shots of the coast, you should allow at least 1.5 hours. Don't forget to account for the time spent climbing and descending the path, which takes an average of 20 minutes each way.

You can visit the historic complex on weekdays. According to available data, the site is open to tourists from Monday to Friday, 07:00 to 17:00. Access to the grounds may be limited on Saturday and Sunday.

As the schedule may change due to holidays or restoration work, it is recommended to check the current opening hours on-site or through official travel portals before your trip.

A stroll around Ong Hoang Hill allows you to dive deeper into the region's atmosphere and see how different historical eras intertwine. Exploring nearby sites is an excellent addition to visiting the castle ruins, expanding your understanding of the area's cultural heritage.