Accessibility to the Thomson Reservoir's southwest corner is 2 blocks from Oldenburg's entrance. Kayak and canoe to one of the reservoir's seven islands.

The Willard Munger State Trail is Oldenburg's southern property line - Jay Cooke's Carlton and Thomson northern trailheads begin at Munger Trail a short distance from Oldenburg property.

Oldenburg House borders the Northwest corner of this 8,000-acre park. Park trails connect to the Willard Munger State Trail on the north side of the park.