What is the subject of William Wordsworth’s poem “Tintern Abbey”?

William Wordsworth’s poem, titled "Lines Composed a Few Miles Above Tintern Abbey, on Revisiting the Banks of the Wye During a Tour. July 13, 1798," is a work of autobiographical reminiscence.12

The poem captures the poet's reflections upon returning to the banks of the River Wye after five years. Through this revisit, Wordsworth explores the internal development of his own mind, tracing how his connection to nature and his perception of the world have evolved since his youth. The poem is noted for its meditative tone, in which the speaker reflects on the "still, sad music of humanity" and the enduring influence of natural beauty on his spirit. It serves as a foundational piece in the poet's autobiographical mode, which he later expanded upon in his long-form work, The Prelude.123