Nearly a year after a landslide struck Vai Gioi Mountain in Nam Hoa Lu Ward, local authorities have yet to implement a permanent solution, with only a small warning sign placed at the site.
The affected slope lies along the uphill side of the only road leading to the Thung Nham tourist area, a popular destination within the Trang An heritage complex that receives large numbers of visitors each day.
Residents said many people remained anxious whenever travelling through the area because of the risk of further rockfalls.
According to local residents, the latest landslide occurred in July 2025 during heavy rain and strong winds brought by Storm Wipha, sending huge rocks and debris tumbling down the mountainside onto the roadside.
The landslide area was estimated to be about 10 metres high, 5 metres wide and more than one metre deep.
Following the incident, local authorities inspected the site and instructed the operator of the Thung Nham tourist area to install warning signs and deploy personnel to ensure safety for visitors and residents passing through the area.
However, a recent inspection showed the area had still not been repaired, with fallen rocks and soil remaining at the site and sections of high-strength steel mesh hanging loose from the mountainside.
The mountain had previously experienced a major landslide in 2022 after prolonged heavy rain triggered the collapse of around 10 cubic metres of rock and soil onto the road leading to Thung Nham.
Authorities later approved a VND6 billion (USD 230,000) stabilisation project involving rock-filled cages, anchored steel mesh and vegetation planting along an 80-metre section of the slope.
The repair project was completed in April 2023, but the site suffered another landslide just over two years later, renewing concerns about safety risks in the heritage area.