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Ravana Falls vs Ravana Cave in Ella: geological rift escarpment and subterranean stream mapping?

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Lukas Ravana•915 rep

What tectonic faulting formed the 25-meter cascade at Ravana Falls, and how does the limestone cave network connect to subterranean aquifers in the Ella Gap?

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Ravana Falls (elevation 1,050m) cascades over a steep stepped escarpment of Precambrian khondalite and calc-silicate marble formed by brittle faulting along the southern boundary of the Central Highlands. Located 2km uphill, Ravana Cave is a natural karst opening in a crystalline dolomitic marble band. Speleological mapping demonstrates that seepage from the highland plateau dissolves subterranean marble conduits, generating an underground stream network that traverses through fractured fault planes and discharges directly into the upper tier of Ravana Falls.

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Dr Bandara DWC•1890 rep

Excavations inside Ravana Cave by the Archaeological Department recovered human skeletal fragments (Balangoda Man) and polished bone tools dating past 20,000 years BP.

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Lukas Ravana•915 rep

Climbing wet rock ledges around the waterfall plunge pool is prohibited; sudden upstream cloudbursts cause flash surges that sweep unwary tourists off slippery granite tiers.

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Ranger Sisira Rescue•1810 rep

The cave entrance requires climbing 650 steep concrete and stone steps through secondary forest; carry drinking water and a pocket torch for the interior chamber.

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Sarah Field Scout•1720 rep

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