On Oct 28, 1:57*pm, wrote:

.. There is water that simply is not
practically fishable, runs that you simply cannot get a drift through,
holes that you cannot get your fly into. No sense getting frustrated
in trying. Leave 'em be; a better strategy might be to fish at times
when fish holding in those places might move out into feeding water
where you _can_ fish to 'em.

Jon.

Often, "unfishable" water holds the best fish.

Sinking lines cause a lot of problems unless used with taut line
techniques, and these can also be extremely difficult to implement.

For the type of water described in the original post, Czech-nymphing
is a viable technique.

http://globalflyfisher.com/fishbetter/czech/

http://www.bishfish.co.nz/articles/fresh/czechnymph.htm

http://www.czechnymphs.co.uk/CzechNymphing.htm

there are other techniques, but this one is particularly effective.
One may also use such nymphs below a floating indicator if desired,
which is then a slack line technique, but may be used at greater
range.

The links provided should contain sufficient info to at least get
started.