A Long Walk to Water has received generally positive reviews from critics.
On Common Sense Media, Kate Pavao rated the book five stars. Pavao praised the book for Salva's courage and perseverance through his struggles.[3] Reviewing the book for The Newcastle Herald, Stacey Dombkins praised Park's execution of the dual narrative, stating that the book's "unsurprising but very satisfying ending" successfully shows how Salva's hope and determination brought positive changes to those residing in Sudan.[4]