Yes, The Quarry does have an epilogue. The epilogue wraps up the story as our protagonist, John, finally finds a way to escape his pursuers.
The epilogue begins with John stumbling upon a flock of birds in a grassy plain on the edge of a quarry. He stops in his tracks, realizing that he is now free from the men chasing him. With this new sense of freedom and joy, he finally experiences a vindication for his past struggle and pain.
John then moves on to the quarry, where he is reunited with an old friend, Martha. After sharing a tearful reunion, the two share a heartfelt conversation where John expresses his feelings about his experiences and newfound freedom.
Martha tells John that he is no longer bound by guilt or fear, and encourages him to move forward in life. With this newfound courage, John makes his way out of the quarry and into the fresh air of the world.
The epilogue ends with John looking out over the quarry and musing on the lessons he has learned. He realizes that although his freedom came with a high price, it was worth the cost. With a newfound appreciation for life, our protagonist finally finds his way out of the darkness and into a brighter future.
If you'd like to read the epilogue for The Quarry yourself, you can find a copy of the book here: https://www.goodreads.com/book/show/48179026-the-quarry