View source for List of geological features on Iapetus

{{short description|None}}

{{multiple image
 | align = right
 | total_width = 300
 | image1 = Iapetus 1.png
 | image2 = Iapetus 2.png
}}

Most '''[[Iapetus (moon)|Iapetian]] geological features''' are named after characters and locations in the Old French epic poem ''[[The Song of Roland]]'', specifically the English translation by [[Dorothy L. Sayers]].<ref>[https://planetarynames.wr.usgs.gov/Page/IAPETUS/target Iapetus], Gazetteer of Planetary Nomenclature</ref>

==Montes==
A ''mons'' {{IPAc-en|ˈ|m|ɒ|n|z}}, pl. ''montes'' {{IPAc-en|ˈ|m|ɒ|n|t|iː|z}}, is a mountain.

{| class="wikitable"
|-
! Name !! Coordinates !! Diameter (km) !! Approval Date !! Namesake !! Pronunciation !! Refs
|-
| [[Carcassone Montes]] || {{coord|0.0|N|216.7|W|dim:740.0km_globe:iapetus_type:mountain}} || 740.0 || August 5, 2008 || [[Carcassonne|Carcassonne, France]] || {{IPAc-en|k|ɑːr|k|ə|ˈ|s|oʊ|n}} || {{WGPSN|14490}}
|-
| [[Cordova Mons]] || {{coord|0.0|N|206.2|W|dim:85.0km_globe:iapetus_type:mountain}} || 85.0 || August 5, 2008 || [[Córdoba, Spain]] || {{IPAc-en|ˈ|k|ɔːr|d|oʊ-|v|ə}} || {{WGPSN|14491}}
|-
| [[Gayne Mons]] || {{coord|0.0|N|176.0|W|dim:65.0km_globe:iapetus_type:mountain}} || 65.0 || August 5, 2008 || [[Gayne, Spain]] || || {{WGPSN|14492}}
|-
| [[Haltile Mons]] || {{coord|0.0|N|190.4|W|dim:45.0km_globe:iapetus_type:mountain}} || 45.0 || August 5, 2008 || [[Haltile, Spain]] || || {{WGPSN|14493}}
|-
| [[Seville Mons]] || {{coord|0.0|N|346.3|W|dim:69.0km_globe:iapetus_type:mountain}} || 69.0 || August 5, 2008 || [[Seville|Seville, Spain]] || {{IPAc-en|s|ᵻ|ˈ|v|ɪ|l}} || {{WGPSN|14494}}
|-
| [[Sorence Mons]] || {{coord|0.0|N|193.7|W|dim:46.0km_globe:iapetus_type:mountain}} || 46.0 || August 5, 2008 || Castle of Pinabel || || {{WGPSN|14495}}
|-
| [[Toledo Montes]] || {{coord|0.0|N|136.0|W|dim:1100.0km_globe:iapetus_type:mountain}} || 1100.0 || August 5, 2008 || [[Toledo, Spain]] || {{IPAc-en|t|oʊ-|ˈ|l|iː|d|oʊ}} || {{WGPSN|14496}}
|-
| [[Tortelosa Montes]] || {{coord|0.0|N|64.7|W|dim:294.0km_globe:iapetus_type:mountain}} || 294.0 || August 5, 2008 || [[Tortelosa, Spain]] || || {{WGPSN|14497}}
|-
| [[Valterne Mons]] || {{coord|0.0|N|170.6|W|dim:50.0km_globe:iapetus_type:mountain}} || 50.0 || August 5, 2008 || [[Valterne, Spain]] || || {{WGPSN|14498}}
|}

==Regiones==

There is one named Iapetian ''regio'' {{IPAc-en|ˈ|r|iː|dʒ|i||oʊ}} (area of distinct [[albedo]] difference), Cassini:

{| class="wikitable"
|-
! Name !! Coordinates !! Diameter (km) !! Approval Date !! Namesake !! Pronunciation !! Refs
|-
| [[Cassini Regio]] || {{coord|28.1|S|92.6|W|globe:iapetus|name=Cassini Regio}} || 0 || 1982 || [[Giovanni Domenico Cassini|Giovanni Cassini]], discoverer of Iapetus || {{IPAc-en|k|ə|ˈ|s|iː|n|I}} || {{WGPSN|1047}}
|}

==Terrae==

There are two named Iapetian ''terrae'' {{IPAc-en|ˈ|t|ɛr|iː}} (large 'land' masses).

{| class="wikitable"
|-
! Name !! Coordinates !! Diameter (km) !! Approval Date !! Namesake !! Pronunciation !! Refs
|-
| [[Roncevaux Terra]] || {{coord|37.0|N|239.5|W|dim:1284.0km_globe:iapetus}} || 1284.0 || 1982 || [[Battle of Roncevaux Pass]] || {{IPAc-en|r|ɒ|n|s|ə|ˈ|v|oʊ}} || {{WGPSN|5181}}
|-
| [[Saragossa Terra]] || {{coord|45.0|S|180.0|W|dim:2300.0km_globe:iapetus}} || 2300.0 || August 5, 2008 || [[Zaragoza|Saragossa, Spain]] || {{IPAc-en|s|ær|ə|ˈ|ɡ|ɒ|s|ə}} || {{WGPSN|14499}}
|}
The adjectival form of ''Roncevaux'' is ''Roncesvallian''.

==Craters==

Named [[impact crater]]s are:

{| class="wikitable"
|-
! Name !! Coordinates !! Diameter (km) !! Approval Date !! Namesake !! Pronunciation !! Refs
|-
| [[Abisme (crater)|Abisme]] || {{coord|37.53|N|267.08|W|dim:767.74km_globe:iapetus}} || 767.74 || August 16, 2013 || A Saracen lord, killed by Archbishop Turpin || || {{WGPSN|15164}}
|-
| [[Acelin (crater)|Acelin]] || {{coord|42.7|N|154.9|W|dim:38.0km_globe:iapetus}} || 38.0 || August 5, 2008 || [[Aceline of Gascony]] || || {{WGPSN|14451}}
|-
| [[Adelroth (crater)|Adelroth]] || {{coord|6.6|N|183.6|W|dim:57.0km_globe:iapetus}} || 57.0 || August 5, 2008 || Marsilion's nephew || || {{WGPSN|14452}}
|-
| [[Almeric (crater)|Almeric]] || {{coord|53.4|N|276.0|W|dim:43.0km_globe:iapetus}} || 43.0 || 1982 || [[Almeric]], one of the Twelve Peers || || {{WGPSN|198}}
|-
| [[Anseïs (crater)|Anseïs]] || {{coord|40.7|S|290.8|W|dim:48.0km_globe:iapetus}} || 48.0 || August 5, 2008 || One of the Twelve Peers || || {{WGPSN|14453}}
|-
| [[Astor (crater)|Astor]] || {{coord|14.9|N|321.2|W|dim:122.0km_globe:iapetus}} || 122.0 || August 5, 2008 || A French baron || || {{WGPSN|14454}}
|-
| [[Baligant (crater)|Baligant]] || {{coord|16.4|N|224.9|W|dim:66.0km_globe:iapetus}} || 66.0 || 1982 || [[Baligant]] || || {{WGPSN|576}}
|-
| [[Basan (crater)|Basan]] || {{coord|33.3|N|194.7|W|dim:76.0km_globe:iapetus}} || 76.0 || 1982 || [[Basan (The Song of Roland)|Bason]] || || {{WGPSN|625}}
|-
| [[Basbrun (crater)|Basbrun]] || {{coord|52.0|S|111.8|W|dim:80.0km_globe:iapetus}} || 80.0 || August 5, 2008 || Charlemagne's officer || || {{WGPSN|14455}}
|-
| [[Basile (crater)|Basile]] || {{coord|0.7|S|187.9|W|dim:6.0km_globe:iapetus}} || 6.0 || August 5, 2008 || French baron || || {{WGPSN|14456}}
|-
| [[Berenger (crater)|Berenger]] || {{coord|62.1|N|219.7|W|dim:84.0km_globe:iapetus}} || 84.0 || 1982 || [[The Song of Roland#Characters|Bérengier]] || || {{WGPSN|698}}
|-
| [[Besgun (crater)|Besgun]] || {{coord|76.0|N|309.8|W|dim:56.0km_globe:iapetus}} || 56.0 || 1982 || [[The Song of Roland#Characters|Besgun]] || || {{WGPSN|718}}
|-
| [[Bevon (crater)|Bevon]] || {{coord|70.7|N|93.0|W|dim:48.0km_globe:iapetus}} || 48.0 || August 5, 2008 || French baron || || {{WGPSN|14457}}
|-
| [[Bramimond (crater)|Bramimond]] || {{coord|38.0|N|178.0|W|dim:200.0km_globe:iapetus}} || 200.0 || August 5, 2008 || [[Bramimonde]] || || {{WGPSN|14458}}
|-
| [[Charlemagne (crater)|Charlemagne]] || {{coord|55.0|N|258.8|W|dim:95.0km_globe:iapetus}} || 95.0 || 1982 || [[Charlemagne]] || {{IPAc-en|ˈ|ʃ|ɑːr|l|ᵻ|m|eɪ|n}} || {{WGPSN|1150}}
|-
| [[Clarin (crater)|Clarin]] || {{coord|18.3|N|71.6|W|dim:84.0km_globe:iapetus}} || 84.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14459}}
|-
| [[Climborin (crater)|Climborin]] || {{coord|30.4|N|116.9|W|dim:49.0km_globe:iapetus}} || 49.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14460}}
|-
| [[Corsablis (crater)|Corsablis]] || {{coord|0.9|N|114.2|W|dim:73.0km_globe:iapetus}} || 73.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14461}}
|-
| [[Dapamort (crater)|Dapamort]] || {{coord|36.6|N|84.9|W|dim:49.0km_globe:iapetus}} || 49.0 || August 5, 2008 || Saracen king || || {{WGPSN|14462}}
|-
| [[Engelier]] || {{coord|40.5|S|264.7|W|dim:504.0km_globe:iapetus}} || 504.0 || August 5, 2008 || One of the Twelve Peers || || {{WGPSN|14463}}
|-
| [[Escremiz (crater)|Escremiz]] || {{coord|1.6|N|173.5|W|dim:0.06km_globe:iapetus}} || 0.06 || August 5, 2008 || [[Escremiz of Valterne]] || || {{WGPSN|14464}}
|-
| [[Eudropin (crater)|Eudropin]] || {{coord|0.9|N|220.7|W|dim:42.0km_globe:iapetus}} || 42.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14465}}
|-
| [[Falsaron (crater)|Falsaron]] || {{coord|33.8|N|82.6|W|dim:424.0km_globe:iapetus}} || 424.0 || August 5, 2008 || Brother of King Marsilion || || {{WGPSN|14466}}
|-
| [[Ganelon (crater)|Ganelon]] || {{coord|44.3|S|19.8|W|dim:230.0km_globe:iapetus}} || 230.0 || August 5, 2008 || [[Ganelon]] || || {{WGPSN|14467}}
|-
| [[Garlon (crater)|Garlon]] || {{coord|3.2|S|240.5|W|dim:47.0km_globe:iapetus}} || 47.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14468}}
|-
| [[Geboin (crater)|Geboin]] || {{coord|58.6|N|173.4|W|dim:81.0km_globe:iapetus}} || 81.0 || 1982 || [[The Song of Roland#Characters|Geboin]] || || {{WGPSN|2129}}
|-
| [[Gerin (crater)|Gerin]] || {{coord|45.6|S|233.0|W|dim:445.0km_globe:iapetus}} || 445.0 || August 5, 2008 || One of the Twelve Peers || || {{WGPSN|14469}}
|-
| [[Godefroy (crater)|Godefroy]] || {{coord|71.9|N|249.1|W|dim:63.0km_globe:iapetus}} || 63.0 || 1982 || [[The Song of Roland#Characters|Godefroy]] || || {{WGPSN|2200}}
|-
| [[Grandoyne (crater)|Grandoyne]] || {{coord|17.7|N|214.5|W|dim:65.0km_globe:iapetus}} || 65.0 || 1982 || [[The Song of Roland#Characters|Grandoyne]] || || {{WGPSN|2236}}
|-
| [[Hamon (crater)|Hamon]] || {{coord|10.6|N|270.0|W|dim:96.0km_globe:iapetus}} || 96.0 || 1982 || [[The Song of Roland#Characters|Hamon]] || || {{WGPSN|2341}}
|-
| [[Ivon (crater)|Ivon]] || {{coord|18.0|N|315.0|W|dim:100.0km_globe:iapetus}} || 100.0 || August 5, 2008 || One of the Twelve Peers || || {{WGPSN|14470}}
|-
| [[Johun (crater)|Johun]] || {{coord|12.4|N|83.4|W|dim:64.0km_globe:iapetus}} || 64.0 || August 5, 2008 || Johun of Outremer; Saracen lord || || {{WGPSN|14471}}
|-
| [[Jurfaleu (crater)|Jurfaleu]] || {{coord|13.0|N|2.5|W|dim:107.0km_globe:iapetus}} || 107.0 || August 5, 2008 || Son of Marsilion || || {{WGPSN|14472}}
|-
| [[Lorant (crater)|Lorant]] || {{coord|65.2|N|159.8|W|dim:44.0km_globe:iapetus}} || 44.0 || 1982 || [[The Song of Roland#Characters|Lorant]] || || {{WGPSN|3470}}
|-
| [[Malprimis (crater)|Malprimis]] || {{coord|15.2|S|118.2|W|dim:377.0km_globe:iapetus}} || 377.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14473}}
|-
| [[Malun (crater)|Malun]] || {{coord|5.9|N|41.3|W|dim:121.0km_globe:iapetus}} || 121.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14474}}
|-
| [[Margaris (crater)|Margaris]] || {{coord|27.7|N|135.8|W|dim:75.0km_globe:iapetus}} || 75.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14475}}
|-
| [[Marsilion (crater)|Marsilion]] || {{coord|39.2|N|176.1|W|dim:136.0km_globe:iapetus_type:landmark}} || 136.0 || 1982 || [[Marsilion]] || {{IPAc-en|m|ɑːr|ˈ|s|ɪ|l|i|ən}} || {{WGPSN|3722}}
|-
| [[Matthay (crater)|Matthay]] || {{coord|3.5|S|187.4|W|dim:58.0km_globe:iapetus}} || 58.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14476}}
|-
| [[Milon (crater)|Milon]] || {{coord|67.9|N|207.2|W|dim:119.0km_globe:iapetus}} || 119.0 || 1982 || [[The Song of Roland#Characters|Milon]] || || {{WGPSN|3905}}
|-
| [[Naimon (crater)|Naimon]] || {{coord|9.3|N|329.3|W|dim:244.0km_globe:iapetus}} || 244.0 || August 5, 2008 || [[Naimon]] || || {{WGPSN|14477}}
|-
| [[Nevelon (crater)|Nevelon]] || {{coord|33.2|S|197.0|W|dim:49.0km_globe:iapetus}} || 49.0 || August 5, 2008 || Shares command of Charlemagne's sixth division || || {{WGPSN|14478}}
|-
| [[Ogier (crater)|Ogier]] || {{coord|42.5|N|275.1|W|dim:100.0km_globe:iapetus}} || 100.0 || 1982 || [[Ogier the Dane]] || || {{WGPSN|4412}}
|-
| [[Oliver (crater)|Oliver]] || {{coord|62.5|N|200.8|W|dim:113.0km_globe:iapetus}} || 113.0 || 1982 || [[Olivier (The Song of Roland)|Olivier]] || {{IPAc-en|ˈ|ɒ|l|ᵻ|v|ər}} || {{WGPSN|4440}}
|-
| [[Othon (crater)|Othon]] || {{coord|33.3|N|347.8|W|dim:86.0km_globe:iapetus}} || 86.0 || 1982 || [[The Song of Roland#Characters|Othon]] || || {{WGPSN|4522}}
|-
| [[Pinabel (crater)|Pinabel]] || {{coord|39.0|S|33.0|W|dim:83.0km_globe:iapetus}} || 83.0 || August 5, 2008 || [[Pinabel]] || || {{WGPSN|14479}}
|-
| [[Priamon (crater)|Priamon]] || {{coord|1.5|N|187.0|W|dim:17.0km_globe:iapetus}} || 17.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14480}}
|-
| [[Rabel (crater)|Rabel]] || {{coord|64.4|S|166.2|W|dim:91.0km_globe:iapetus}} || 91.0 || August 5, 2008 || French baron || {{IPAc-en|ˈ|r|æ|b|əl}} || {{WGPSN|14481}}
|-
| [[Roland (crater)|Roland]] || {{coord|73.3|N|25.2|W|dim:144.0km_globe:iapetus}} || 144.0 || 1982 || [[Roland]] || {{IPAc-en|ˈ|r|oʊ|l|ən|d}} || {{WGPSN|5173}}
|-
| [[Rugis (crater)|Rugis]] || {{coord|0.1|S|99.0|W|dim:19.0km_globe:iapetus}} || 19.0 || August 5, 2008 || Saracen lord || {{IPAc-en|ˈ|r|uː|dʒ|ᵻ|s}} || {{WGPSN|14482}}
|-
| [[Samson (crater)|Samson]] || {{coord|6.5|N|298.6|W|dim:33.0km_globe:iapetus}} || 33.0 || August 5, 2008 || One of the Twelve Peers || {{IPAc-en|ˈ|s|æ|m|s|ən}} || {{WGPSN|14483}}
|-
| [[Thierry (crater)|Thierry]] || {{coord|55.0|S|8.0|W|dim:110.0km_globe:iapetus}} || 110.0 || August 5, 2008 || French knight, friend of Roland || || {{WGPSN|14484}}
|-
| [[Tibbald (crater)|Tibbald]] || {{coord|57.0|N|358.0|W|dim:160.0km_globe:iapetus}} || 160.0 || August 5, 2008 || [[Tibbald of Reims]] || {{IPAc-en|ˈ|t|ɪ|b|əl|d}} || {{WGPSN|14485}}
|-
| [[Timozel (crater)|Timozel]] || {{coord|9.9|S|212.3|W|dim:58.0km_globe:iapetus}} || 58.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14486}}
|-
| [[Torleu (crater)|Torleu]] || {{coord|0.2|S|188.4|W|dim:8.0km_globe:iapetus}} || 8.0 || August 5, 2008 || Leader in Baligant's army || || {{WGPSN|14487}}
|-
| [[Turgis (crater)|Turgis]] || {{coord|16.9|N|28.4|W|dim:580.0km_globe:iapetus}} || 580.0 || August 5, 2008 || Saracen baron || {{IPAc-en|ˈ|t|ɜːr|dʒ|ᵻ|s}} || {{WGPSN|14488}}
|-
| [[Turpin (crater)|Turpin]] || {{coord|47.7|N|1.4|W|dim:87.0km_globe:iapetus}} || 87.0 || 1982 || [[Turpin (archbishop)|Turpin]] || {{IPAc-en|ˈ|t|ɜːr|p|ᵻ|n}} || {{WGPSN|6146}}
|-
| [[Valdebron (crater)|Valdebron]] || {{coord|29.6|N|104.4|W|dim:49.0km_globe:iapetus}} || 49.0 || August 5, 2008 || Saracen lord || || {{WGPSN|14489}}
|}

==References==
{{Reflist}}
* Mackey & Mackey, 1922, ''The Pronunciation of 10,000 Proper Names'', Dodd, Mead & Co., New York

==External links==
{{commons category|Maps of Iapetus}}
* [http://planetarynames.wr.usgs.gov/jsp/FeatureTypes2.jsp?system=Saturn&body=Iapetus&systemID=6&bodyID=6&sort=AName&show=Fname&show=Lat&show=Long&show=Diam&show=Stat&show=Orig USGS: Iapetus nomenclature]
* [https://web.archive.org/web/20090717144305/http://saturn.jpl.nasa.gov/video/products/MultimediaProductsDetailCartography/iapetusglobalmaps/ JPL: Iapetus Global Maps]

{{Surface features of space objects}}

[[Category:Surface features of Iapetus (moon)| ]]