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Public-images-osm logo.svg piste:grooming
Praeparierte Skipiste.jpg
Used to define how a piste is prepared. Edit or translate this description.
Group: Piste Maps
Used on these elements
should not be used on nodesmay be used on waysmay be used on areasuse on relations unspecified
Useful combination
Status: de facto


Intended to describe the preparation of a piste dedicated to winter sports. The tag and its values depend on the type of piste it is applied to. The grooming is generally applied to ways rather than relations, as it is a characteristic that can change along the piste.

Alpine or downhill

When applied to piste:type=downhill, several values can be used, describing fairly different kind of runs.


Can be omitted, this is your standard ski run mechanically groomed by a tracked vehicle.


A piste:type=downhill groomed for Mogul skiing (Buckelpiste)


Un-groomed descent, can also be used for an alternate off-piste skitour descent see piste:type=skitour.

Nordic or cross-country

When applied to piste:type=nordic, several values are to be used to help you choose the right gear.


Two rails for classic style nordic.

piste:grooming=classic+skating or classic;skating

Wide piste for skating and at least one set of classic rails. While the semicolon is the common value separator in OSM, classic+skating is used about twice as often (ca. 29,000 times as of March 2021) as classic;skating (ca. 14,000).


Wide piste for skating (or 'free') style nordic.


Classic style groomed by a smaller snowmobile, which means that the piste is often much looser and single lane.


Un-prepared itinerary for cross-country skiing, tracks are made manually by skiers.

Winter-hiking or snowshoeing

When applied to piste:type=hike.


A mechanically groomed piste that can be hiked with simple boots or can be used for running (default if grooming is absent).


Requires snow shoes.


When applied to piste:type=skitour.


A mechanically groomed trail, signposted by its operator.


Rough itinerary for cross-country touring, no operator to lay the track (default if grooming is absent).


The tag is seldom used with piste:type=sled, the following values are documented:


Implies groomed as "natural luge(sled) track".


Use with often used, un-groomed sledding trails.

See also

  • Piste Maps – for a summary and description of tags for mapping pistes and ski resorts