WaterfallHigh risk

Mallela Theertham Falls

Nallamala forest, Amrabad Tiger Reserve, Nagarkurnool district · Telangana

A hidden fall deep in the Nallamala forest of the Amrabad Tiger Reserve, reached by roughly 350 steep steps into a wooded gorge.

Visit-safety grade
High

Take this one seriously — it is dominated by flash-flood exposure: Narrow catchment — rain kilometres upstream can arrive as a wall of water under a clear sky.

Flash-flood exposure24 pts
Narrow catchment — rain kilometres upstream can arrive as a wall of water under a clear sky.
Water & current20 pts
Fast, powerful water — people are swept off their feet here far more often than they fall. Do not enter or wade above the drop.
Remoteness / rescue18 pts
Very remote — assume you are on your own in an emergency.
Heat & sun8 pts
Low, shadeless and furnace-hot Mar–Jun — heat exhaustion is the real summer hazard, not the water.
Height & wet rock7 pts
A 45 m drop with algae-slick rock around the viewpoints and approach — the commonest cause of injury here.

The paradox of Indian waterfalls: flow and danger peak together. Most deaths here are monsoon drownings and people swept over the lip — not falls from a viewpoint. The best photograph and the deadliest current are the same water. Watch from marked points; never enter the stream.

Score 77/100, re-derived from the site’s real characteristics — never a marketing grade. A higher number is not “don’t go”; it is “go informed.”

Know before you go
  • exhausting 350-step climb back out
  • big-cat and wildlife country on the approach
  • slippery mossy steps and flash floods after rain
The safety code · waterfalls
  • Never enter the water above the lip, or step onto the smooth wet rock near the edge — being swept over is the commonest way people die at Indian waterfalls.
  • Watch from marked viewpoints only; moss-slick rock is far more slippery than it looks.
  • Check the whole upstream catchment's forecast — a clear sky here doesn't mean it isn't pouring above.
  • Peak monsoon flow is peak danger, not peak safety — admire the volume from well back.
When to go
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Prime windowShoulderOff-season
Photos

Photos via Wikimedia Commons — full attribution on the credits page.

The essentials
Nearest town
Achampet
Elevation
500 m
Drop
45 m
Visit
Day hike
Approach
≈0.8 km each way · 150 m climb
Season
Jul–Nov, strongest in monsoon
Permits
1 to arrange (Telangana)
How to reach
Starting point
Achampet
Telangana
By air
  • Hyderabad (HYD)~116 km
  • Vijayawada (VGA)~208 km
By rail
  • Secunderabad Jn~134 km
  • Vijayawada Jn~190 km
By road

Drive to the roadhead Achampet. From Hyderabad (~116 km) shared taxis and state buses run the last leg to Mallela Theertham Falls.

Distances are straight-line (as the crow flies), computed from the coordinates. Real road distance and driving time in the mountains are longer — confirm current road status and the last motorable point with your operator, especially in monsoon and winter.

Right now
22°, overcast· wind 6 km/h

Live from Open-Meteo at this spot, adjusted to 500 m. Mountain weather turns fast — treat this as a hint, not a promise.

Altitude & air
Low altitude
Elevation
500 m
Oxygen vs sea level
~94%
Est. SpO₂ (unacclimatised)
~97%
Air pressure
718 mmHg

No altitude effect for almost anyone.

Where it is
3D replay

See it in 3D

A Google-Earth-style flyby that drops in from orbit and traces the real approach trail up to Mallela Theertham Falls(where it’s mapped in OpenStreetMap), over real satellite terrain — so you can read the climb and the lie of the land before you go.

More waterfalls
Serious
Jog Falls
Karnataka
Serious
Nohkalikai Falls
Meghalaya
High
Athirappilly Falls
Kerala

Coordinates, heights and depths are approximate, curated from public sources — good enough to plan and to gauge risk, not surveyed. The safety grade is a deterministic guide, not a guarantee; conditions change with weather, water level and crowds.