"Amazing hike with Dad @SenJohnMcCain this morning. Thank you all for your best wishes!" Meghan McCain tweeted on Saturday, sharing a photo of the pair seated together on a bench with a scenic view.
"He is a warrior at dusk. One of the greatest Americans of our age. And the worthy heir to his father's and grandfather's name," she wrote. "But to me he is something more. He is my strength. My example. My refuge. My confidante. My teacher. My rock. My hero — My dad."