The Kallin family, Dave and Emily, their children Nathan, 9, and Madeline, 8, and their dog Orion, pause for a family portrait near Gulf Hagas, a registered national landmark along the Appalachian Trail corridor. The Dresden family started out on the AT in Georgia in April and hopes to finish atop Mount Katahdin next week.

Dave Kallin leaps into a waterfall while hiking with his family at Gulf Hagas, a registered national landmark along the Appalachian Trail corridor. The Dresden family started out on the AT in Georgia in April.

A battered pair of shoes belonging Nathan Kallin, 9, were retired where he was camping with his family near the Appalachian Trail. The family members were all on their third pair of sneakers, except for Nathan, who was on his fourth pair.

Madeline and Nathan Kallin hike at Bigelow Preserve with Flagstaff Lake in the background.

Nathan Kallin, 9, right, and Madeline Kallin, 8, sitting, play with friends in a stream where they were camping with their family near the Appalachian Trail.

Nathan Kallin casts his telescoping fly rod in a stream where he was camping with his family near the Appalachian Trail.

Emily Kallin carries her shoes across a stream.

Nathan Kallin uses goldenrod to sooth his bug bites

Madeline and Nathan Kallin put on their shoes after crossing a stream while hiking near Gulf Hagas.

Nathan Kallin, 9, climbs out of the top hammock where he was camping with his family.

Dave Kallin stops to edit through photos and update his blog, while his family hikes ahead at Gulf Hagas.