# Slot: altitude Indicates the altitude of a place. The measurement units is indicated using the units property. If units is not specified, the default is assumed to be "m" indicating meters. URI: [as:altitude](http://www.w3.org/ns/activitystreams#altitude) ## Domain and Range None → 0..1 [Float](types/Float.md) ## Parents ## Children ## Used by * [Place](Place.md) ## Other properties | | | | | --- | --- | --- | | **Mappings:** | | as:altitude |