Littleton Formation

{{Infobox rockunit

| name = Littleton Formation

| image = LittletonSphinxCol.jpg

| caption = The Littleton Formation in Sphinx Col between Mount Jefferson and Mount Clay in the Presidential Range of New Hampshire

| type = Formation

| age = Devonian

| prilithology =

| otherlithology =

| namedfor =

| namedby =

| region = {{Flag|New Hampshire}}

| country = {{Flag|United States}}

| coordinates =

| unitof =

| subunits =

| underlies =

| overlies =

| thickness =

| extent =

| area =

| map =

| map_caption =

}}

The Littleton Formation is a geologic formation in New Hampshire. It preserves fossils dating back to the Devonian period. The formation is exposed on several of New Hampshire's most prominent mountains, including Mount Washington and the northern Presidential Range, Mount Moosilauke, and Mount Monadnock.{{Cite web| url=http://mrdata.usgs.gov/geology/state/state.php?state=NH| publisher=U.S. Geological Survey| title=New Hampshire geologic map data| accessdate=January 5, 2015}}