The 'Mirrors' singer led the way down a small hill as the couple were joined by other friends, reported Us magazine.
He donned an all grey outfit, including a long-sleeve shirt, matching T-shirt, and baseball cap. Biel, 32, kept close behind in tight workout pants and a loose-fitted top. She wore a colorful hat and tied a grey sweatshirt around her waist.
The same say, Timberlake shared an intimate picture of the couple staring out at the gorgeous coastline around Auckland, New Zealand. The snapshot, in fact, is the first Instagram picture the singer has ever shared of Biel, whom he married in Italy in 2012.