# How do you define altitude for a geo\_point? (3D location)

**URL:** <https://discuss.elastic.co/t/how-do-you-define-altitude-for-a-geo-point-3d-location/123026>\
**Category:** Elasticsearch\
**Created:** [March 8, 2018, 9:03am UTC](https://discuss.elastic.co/t/how-do-you-define-altitude-for-a-geo-point-3d-location/123026 "2018-03-08T09:03:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![RishuK](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rishuk/32/28529_2.png) [@RishuK](https://discuss.elastic.co/u/RishuK)\
**Post date:** [March 8, 2018, 9:03am UTC](https://discuss.elastic.co/t/how-do-you-define-altitude-for-a-geo-point-3d-location/123026/1 "2018-03-08T09:03:28Z")

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I would like my document to have a location something like -  
"location": {  
"lat": 38.99,  
"lon": -200.09,  
"altitude": 45.90  
}

How can elasticsearch detect the third field? Does it support it?

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 8, 2018, 9:18am UTC](https://discuss.elastic.co/t/how-do-you-define-altitude-for-a-geo-point-3d-location/123026/2 "2018-03-08T09:18:24Z")

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It doesn't no.  
You can put it as it's own field though.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 5, 2018, 9:18am UTC](https://discuss.elastic.co/t/how-do-you-define-altitude-for-a-geo-point-3d-location/123026/3 "2018-04-05T09:18:39Z")

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