Israel's military crossed a tank over a major Lebanese river. We found where

The crossing point used by the Israeli military over Lebanon's Litani River. (ABC NEWS Verify)

On May 31, the Israeli military posted a video showing what it claimed was its first tank to cross the Litani River in southern Lebanon.

It's significant because it shows a lone IDF tank crossing a line that, just weeks earlier, had marked the limit of Israel's invasion into Lebanon in this latest conflict.

ABC NEWS Verify has used satellite imagery, elevation data and local testimony to find the exact crossing point.

The tank in the video crossed the Litani River at this location, south of the town of Zawtar al-Sharqiyah.

Twin bridges can now be seen in satellite imagery. (Supplied: Planet Labs LLC)

The clip shows a single tank driving over what appears to be a newly constructed crossing. The surrounding area is cleared.

The clip also includes a short video shot from above using a drone, which shows a tank moving in the opposite direction.

A tank is seen crossing the river in a video posted to an Israeli military YouTube page. (Supplied: IDF Updates/YouTube)

In the background of the clip, ridge lines can be seen which ABC NEWS Verify matched to elevation data on Google Earth.

In old satellite imagery, a single bridge can be seen at this spot. An archive of the imagery also shows the top of a single palm tree.

Across the river a series of buildings can be seen, including tourist accommodation.

The owner of a local chalet confirmed the video of the tank was filmed at the back of the property, and provided a photo of the area that matches buildings near the crossing.

Commercial satellite imagery further confirms the location of the twin bridge crossing point.

A video from proscribed terror group Hezbollah also shows the area, including the bridges, filmed by a drone which hits what appears to be an armoured vehicle.

The IDF appears to have been in the area for at least a few weeks, with images posted online showing the crossing before the second bridge was constructed.

Publicly available satellite images also appear to show there has been military action in nearby Zawtar al-Sharqiyah.

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Before-and-after images show the destruction of buildings in recent weeks; it's unclear whether from air strikes or other explosions.

The distance between Beaufort Castle and the Litani River is about five kilometres. (Supplied: EU Sentinel-2)

The crossing identified by ABC NEWS Verify is about five kilometres from the ancient Beaufort Castle.

Videos posted by the IDF earlier this week show