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Analyst: Hezbollah's 'Imad 4' underground fortress on Ali al-Taher ridge not yet fully captured

IDF forces hold lower sections of strategic heights but face heavy resistance at the crest; advance reportedly paused amid U.S. pressure

The Zioneer Intelligence DeskUpdated2 hours ago
Analyst: Hezbollah's 'Imad 4' underground fortress on Ali al-Taher ridge not yet fully captured

Primary source The Zioneer Intelligence Desk · 0 cited sources · Desk window 08:55–16:14

01 · The Lead

The Lead

Middle East analyst Hananel Aviv reports that while the Israel Defense Forces (IDF) have seized the lower sections of the strategic Ali al-Taher ridge in southern Lebanon, the upper crest and the massive 'Imad 4' underground missile facility remain under Hezbollah control. The ongoing battle for the ridge, which overlooks Nabatieh, has seen heavy resistance from dozens of besieged operatives, with the IDF's advance reportedly pausing in recent hours, possibly due to diplomatic requests from the United States.

The battle for the Ali al-Taher ridge has emerged as a focal point of the current confrontation in southern Lebanon. Rising to nearly 700 meters, the ridge provides critical fire control over the Nabatieh plateau and the Litani River basin. According to analysis by Hananel Aviv, IDF ground forces have successfully captured the lower portions of the terrain, but the upper crest—where the former 'Pumpkin' (Dalaat) outpost was located—remains a site of intense friction. Inside the mountain, Hezbollah continues to hold the 'Imad 4' facility, a strategic 'missile city' and command center for the organization's southern front.### The 'Imad 4' ComplexThe facility is described as a multi-level subterranean fortress carved deep into hard limestone, a feat reportedly achieved using Chinese tunnel-boring machines (TBM) and dual-use technology. Intelligence reports suggest the complex includes wide tunnels for missile-launching trucks, a field hospital, and a hardened communication network based on Chinese fiber-optic components, designed to be resilient against Israeli electronic warfare. The presence of dozens of trapped Hezbollah operatives inside the facility has turned the ridge into a high-stakes siege.### Operational Cost and Diplomatic PressureThe seizure of the ridge has come at a significant human cost. On Thursday, the commander of the 52nd Battalion and three additional soldiers were killed during an attempt to breach the upper sections of the complex. While the IDF maintains a perimeter around the facility, Aviv reports that the push to fully clear the underground network has been paused. This operational halt coincides with reports of American pressure on Jerusalem to maintain the current ceasefire framework, even as Iran uses diplomatic channels to demand an Israeli withdrawal from the strategic heights. For the IDF, the destruction of 'Imad 4' remains a priority, as the facility represents the 'nerve center' of Hezbollah's regional operations.

How it developed

5 developments

  1. Latest

    Analyst reports Imad 4 facility not yet fully captured amid heavy resistance

  2. IDF confirms control of the strategic complex; dozens of operatives remain trapped.

  3. IDF confirms trapped operatives are inside the 'Imad 4' tunnel complex

02 · Sources
  • The Zioneer Intelligence Desk
03 · Related Coverage
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