Need ideas for lifting water 20'?

Question

I'm trying to set up a pipe in a river that will lift a small volume of water uphill about 20' in elevation. The river has a good rate of flow, and I am thinking that a gradually tapered set of pipes, ending in a garden hose or even smaller diameter hose might provide enough force to lift the water into a sink in the cabin. Anybody know if this is practical? I recall enough of my physics classes to think it might or might not work. I was thinking in terms of a 4 or 5" diameter cast iron pipe under the water, lifted up a bit to avoid silt. I'd have a coarse screen on the end to allow good water flow but keep out the larger pebbles. Then after 3 or 4 feet a reducer down an inch to PVC, another two feet, a reducer, a foot more, etc. until I'm down to the diameter I can attach to a hose and lift the water 20' in vertical, and maybe 50' horizontal to the cabin. Think it will work?

Update:

Forgot to mention, I have no power at the site. I'm looking for a method to move the water using the power of the river if possible. Its a fast flowing river popular with canoeists because of its rapids. the area in front of the cabin has both fast moving water and quieter sections, the most practical site is not a rapids, but moving fast enough to provide some powerful force if I can harness it effectively

f100_supersabre · Accepted Answer

Obtain a pump type called a "hydraulic ram" to install in the river.
These can raise water several hundred feet using the force of the flowing water to pump the water.
Pump it into a raised storage tank and use that to feed water to the cabin.

Anonym · Answer

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Need ideas for lifting water 20'?

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