Here is a likely location for "Emma's Dell," setting of "It was April Morning" and a favorite place to which Wordsworth often returned.  See the images below.

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In the poem, Wordsworth describes his (implicitly) hurried, confused roaming "up the brook" that leads to this dell (17).  Click here for a video "re-enacting" this roaming on the "Wordsworth: Poetry and Place" digital learning tool. 

(I first made this video with students when we had identified the "wrong" location for Emma's Dell on the river; but the video still gives an impression of quick roaming followed by the "turning" in thought and geography charted by the poem.  This just goes to show that the poems can never really be "located" in places that have changed over time and to which they bear an imaginative as much as a geographic relationship.)