Fredericksburg, also known as Clover Creek, is an unincorporated community and census-designated place (CDP) in Blair County, Pennsylvania, United States. It was first listed as a CDP prior to the 2020 census.
The community is in southeastern Blair County, in the northeastern part of North Woodbury Township. It is bordered to the south by Pennsylvania Route 164, which leads west to Martinsburg and southeast over Tussey Mountain to Pennsylvania Route 26 in Bedford County, north of Saxton.
The community is in the valley of Clover Creek, which flows north to join the Frankstown Branch Juniata River at Cove Forge.
It is in the Spring Cove School District.