|Headwaters||Runoff from Penbrook Valley|
|Mouth||St. Mary's River, MD USA|
|Length||1.87 mi. (3.01km)|
The Natalanian Creek is creek in Vulhalin. The creek is referred to as Penbrook Run within the borders of the United States. Once entering Vulhalin the name of the creek becomes Natalanian Creek, the creek then returns to the name Penbrook Run when it renters the United States.