Kalkberg

{{short description|Mountain in New York, United States}}

{{Use mdy dates|date=January 2025}}

{{Infobox mountain

| name = Kalkberg

| photo =

| photo_caption =

| elevation = {{convert|331|ft}}

| elevation_ref =

| listing =

| location = SE of Catskill, New York, U.S.

| range =

| coordinates = {{coord|42.1989773|-73.9029084|type:mountain_region:US-NY_scale:100000_source:GNIS|format=dms|display=inline,title}}

| range_coordinates =

| coordinates_ref ={{cite gnis

| id = 954371

| name = Kalkberg

| accessdate = 2018-04-05 }}

| topo = USGS Cementon

| map = New York Adirondack Park#USA

| map_caption = Location of Kalkberg within New York

| type =

| age =

| first_ascent =

| easiest_route =

}}

Kalkberg also known as "Collar Back" is a ridge in Greene County, New York, United States. It is located in the Catskill Mountains southeast of Catskill. Kykuit is located east-northeast and Quarry Hill is located north of Kalkberg.