The poplars are felled, farewell to the shade
And the whispering sound of the cool colonnade:
The winds play no longer and sing in the leaves,
Nor Ouse on his bosom their image receives.
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I think you mean not so good. I have to disagree. The Cowper's simple classical style is a sharp contrast to the rather overwrought Hopkins and more effective for that. Also the unusual use of the rapid anapaestic rhythm works surprisingly well compared to the rather stumbling Hopkins.
I think you mean not so good. I have never read the Hopkins, so will do so now.
Very beauiful poem by William Cowper