The Unmapped Underground: What GPR and Seismic Surveys Reveal Beneath Giza

WHAT LIES BENEATH THE GIZA PLATEAU — AND WHY WE DON'T KNOW

Multiple ground-penetrating radar (GPR), seismic tomography, and electrical resistivity surveys have been conducted beneath the Giza Plateau. Each has revealed anomalies suggesting constructed features that remain unexcavated.

KEY SURVEYS AND FINDINGS:

1. DOBECKI & SCHOCH (1991):

2. SRI INTERNATIONAL (1977-1978):

3. WASEDA UNIVERSITY (1987):

• A tunnel-like feature running south beneath the Sphinx enclosure
• A water pocket beneath the Sphinx's south side
• Anomalies in the bedrock near the Queen's Chamber entrance

4. SCANPYRAMIDS (2015-2017):

5. NATIONAL RESEARCH INSTITUTE OF ASTRONOMY AND GEOPHYSICS (EGYPT, 2000s):

THE ACCESS PROBLEM:

Despite multiple surveys detecting anomalies, the Egyptian Supreme Council of Antiquities has not permitted excavation of most detected features. Reasons given include:

• Preservation concerns (legitimate for surface structures)
• Structural stability of the plateau (legitimate for deep excavation)
• "No significant finds expected" (contradicted by the survey data)

THE IMPLICATION:

We know there are constructed features beneath the Giza Plateau that have never been explored. We know the Osiris Shaft reaches the water table 30meters below and has tunnels extending toward the Great Pyramid. We know there are rectangular anomalies beneath the Sphinx. We know there are thermal anomalies on the Great Pyramid's base.

The underground infrastructure of Giza is largely UNMAPPED. What we see above ground — the pyramids, the Sphinx, the temples — may be only the visible portion of a much larger integrated complex that extends deep into the bedrock and aquifer system.