List of geological features on Iapetus

Most 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.^[1]

Montes

A mons /ˈmɒnz/, pl. montes /ˈmɒntiːz/, is a mountain.

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Carcassone Montes	0.0°N 216.7°W / 0.0; -216.7	740.0	August 5, 2008	Carcassonne, France	/kɑːrkəˈsoʊn/	WGPSN
Cordova Mons	0.0°N 206.2°W / 0.0; -206.2	85.0	August 5, 2008	Córdoba, Spain	/ˈkɔːrdoʊvə/	WGPSN
Gayne Mons	0.0°N 176.0°W / 0.0; -176.0	65.0	August 5, 2008	Gayne, Spain		WGPSN
Haltile Mons	0.0°N 190.4°W / 0.0; -190.4	45.0	August 5, 2008	Haltile, Spain		WGPSN
Seville Mons	0.0°N 346.3°W / 0.0; -346.3	69.0	August 5, 2008	Seville, Spain	/sɪˈvɪl/	WGPSN
Sorence Mons	0.0°N 193.7°W / 0.0; -193.7	46.0	August 5, 2008	Castle of Pinabel		WGPSN
Toledo Montes	0.0°N 136.0°W / 0.0; -136.0	1100.0	August 5, 2008	Toledo, Spain	/toʊˈliːdoʊ/	WGPSN
Tortelosa Montes	0.0°N 64.7°W / 0.0; -64.7	294.0	August 5, 2008	Tortelosa, Spain		WGPSN
Valterne Mons	0.0°N 170.6°W / 0.0; -170.6	50.0	August 5, 2008	Valterne, Spain		WGPSN

Regiones

There is one named Iapetian regio /ˈriːdʒioʊ/ (area of distinct albedo difference), Cassini:

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Cassini Regio	28.1°S 92.6°W / -28.1; -92.6 (Cassini Regio)	0	1982	Giovanni Cassini, discoverer of Iapetus	/kəˈsiːnɪ/	WGPSN

Terrae

There are two named Iapetian terrae /ˈtɛriː/ (large 'land' masses).

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Roncevaux Terra	37.0°N 239.5°W / 37.0; -239.5	1284.0	1982	Battle of Roncevaux Pass	/rɒnsəˈvoʊ/	WGPSN
Saragossa Terra	45.0°S 180.0°W / -45.0; -180.0	2300.0	August 5, 2008	Saragossa, Spain	/særəˈɡɒsə/	WGPSN

The adjectival form of Roncevaux is Roncesvallian.

Craters

Named impact craters are:

Name	Coordinates	Diameter (km)	Approval Date	Namesake	Pronunciation	Refs
Abisme	37.53°N 267.08°W / 37.53; -267.08	767.74	August 16, 2013	A Saracen lord, killed by Archbishop Turpin		WGPSN
Acelin	42.7°N 154.9°W / 42.7; -154.9	38.0	August 5, 2008	Aceline of Gascony		WGPSN
Adelroth	6.6°N 183.6°W / 6.6; -183.6	57.0	August 5, 2008	Marsilion's nephew		WGPSN
Almeric	53.4°N 276.0°W / 53.4; -276.0	43.0	1982	Almeric, one of the Twelve Peers		WGPSN
Anseïs	40.7°S 290.8°W / -40.7; -290.8	48.0	August 5, 2008	One of the Twelve Peers		WGPSN
Astor	14.9°N 321.2°W / 14.9; -321.2	122.0	August 5, 2008	A French baron		WGPSN
Baligant	16.4°N 224.9°W / 16.4; -224.9	66.0	1982	Baligant		WGPSN
Basan	33.3°N 194.7°W / 33.3; -194.7	76.0	1982	Bason		WGPSN
Basbrun	52.0°S 111.8°W / -52.0; -111.8	80.0	August 5, 2008	Charlemagne's officer		WGPSN
Basile	0.7°S 187.9°W / -0.7; -187.9	6.0	August 5, 2008	French baron		WGPSN
Berenger	62.1°N 219.7°W / 62.1; -219.7	84.0	1982	Bérengier		WGPSN
Besgun	76.0°N 309.8°W / 76.0; -309.8	56.0	1982	Besgun		WGPSN
Bevon	70.7°N 93.0°W / 70.7; -93.0	48.0	August 5, 2008	French baron		WGPSN
Bramimond	38.0°N 178.0°W / 38.0; -178.0	200.0	August 5, 2008	Bramimonde		WGPSN
Charlemagne	55.0°N 258.8°W / 55.0; -258.8	95.0	1982	Charlemagne	/ˈʃɑːrlɪmeɪn/	WGPSN
Clarin	18.3°N 71.6°W / 18.3; -71.6	84.0	August 5, 2008	Saracen lord		WGPSN
Climborin	30.4°N 116.9°W / 30.4; -116.9	49.0	August 5, 2008	Saracen lord		WGPSN
Corsablis	0.9°N 114.2°W / 0.9; -114.2	73.0	August 5, 2008	Saracen lord		WGPSN
Dapamort	36.6°N 84.9°W / 36.6; -84.9	49.0	August 5, 2008	Saracen king		WGPSN
Engelier	40.5°S 264.7°W / -40.5; -264.7	504.0	August 5, 2008	One of the Twelve Peers		WGPSN
Escremiz	1.6°N 173.5°W / 1.6; -173.5	0.06	August 5, 2008	Escremiz of Valterne		WGPSN
Eudropin	0.9°N 220.7°W / 0.9; -220.7	42.0	August 5, 2008	Saracen lord		WGPSN
Falsaron	33.8°N 82.6°W / 33.8; -82.6	424.0	August 5, 2008	Brother of King Marsilion		WGPSN
Ganelon	44.3°S 19.8°W / -44.3; -19.8	230.0	August 5, 2008	Ganelon		WGPSN
Garlon	3.2°S 240.5°W / -3.2; -240.5	47.0	August 5, 2008	Saracen lord		WGPSN
Geboin	58.6°N 173.4°W / 58.6; -173.4	81.0	1982	Geboin		WGPSN
Gerin	45.6°S 233.0°W / -45.6; -233.0	445.0	August 5, 2008	One of the Twelve Peers		WGPSN
Godefroy	71.9°N 249.1°W / 71.9; -249.1	63.0	1982	Godefroy		WGPSN
Grandoyne	17.7°N 214.5°W / 17.7; -214.5	65.0	1982	Grandoyne		WGPSN
Hamon	10.6°N 270.0°W / 10.6; -270.0	96.0	1982	Hamon		WGPSN
Ivon	18.0°N 315.0°W / 18.0; -315.0	100.0	August 5, 2008	One of the Twelve Peers		WGPSN
Johun	12.4°N 83.4°W / 12.4; -83.4	64.0	August 5, 2008	Johun of Outremer; Saracen lord		WGPSN
Jurfaleu	13.0°N 2.5°W / 13.0; -2.5	107.0	August 5, 2008	Son of Marsilion		WGPSN
Lorant	65.2°N 159.8°W / 65.2; -159.8	44.0	1982	Lorant		WGPSN
Malprimis	15.2°S 118.2°W / -15.2; -118.2	377.0	August 5, 2008	Saracen lord		WGPSN
Malun	5.9°N 41.3°W / 5.9; -41.3	121.0	August 5, 2008	Saracen lord		WGPSN
Margaris	27.7°N 135.8°W / 27.7; -135.8	75.0	August 5, 2008	Saracen lord		WGPSN
Marsilion	39.2°N 176.1°W / 39.2; -176.1	136.0	1982	Marsilion	/mɑːrˈsɪliən/	WGPSN
Matthay	3.5°S 187.4°W / -3.5; -187.4	58.0	August 5, 2008	Saracen lord		WGPSN
Milon	67.9°N 207.2°W / 67.9; -207.2	119.0	1982	Milon		WGPSN
Naimon	9.3°N 329.3°W / 9.3; -329.3	244.0	August 5, 2008	Naimon		WGPSN
Nevelon	33.2°S 197.0°W / -33.2; -197.0	49.0	August 5, 2008	Shares command of Charlemagne's sixth division		WGPSN
Ogier	42.5°N 275.1°W / 42.5; -275.1	100.0	1982	Ogier the Dane		WGPSN
Oliver	62.5°N 200.8°W / 62.5; -200.8	113.0	1982	Olivier	/ˈɒlɪvər/	WGPSN
Othon	33.3°N 347.8°W / 33.3; -347.8	86.0	1982	Othon		WGPSN
Pinabel	39.0°S 33.0°W / -39.0; -33.0	83.0	August 5, 2008	Pinabel		WGPSN
Priamon	1.5°N 187.0°W / 1.5; -187.0	17.0	August 5, 2008	Saracen lord		WGPSN
Rabel	64.4°S 166.2°W / -64.4; -166.2	91.0	August 5, 2008	French baron	/ˈræbəl/	WGPSN
Roland	73.3°N 25.2°W / 73.3; -25.2	144.0	1982	Roland	/ˈroʊlənd/	WGPSN
Rugis	0.1°S 99.0°W / -0.1; -99.0	19.0	August 5, 2008	Saracen lord	/ˈruːdʒɪs/	WGPSN
Samson	6.5°N 298.6°W / 6.5; -298.6	33.0	August 5, 2008	One of the Twelve Peers	/ˈsæmsən/	WGPSN
Thierry	55.0°S 8.0°W / -55.0; -8.0	110.0	August 5, 2008	French knight, friend of Roland		WGPSN
Tibbald	57.0°N 358.0°W / 57.0; -358.0	160.0	August 5, 2008	Tibbald of Reims	/ˈtɪbəld/	WGPSN
Timozel	9.9°S 212.3°W / -9.9; -212.3	58.0	August 5, 2008	Saracen lord		WGPSN
Torleu	0.2°S 188.4°W / -0.2; -188.4	8.0	August 5, 2008	Leader in Baligant's army		WGPSN
Turgis	16.9°N 28.4°W / 16.9; -28.4	580.0	August 5, 2008	Saracen baron	/ˈtɜːrdʒɪs/	WGPSN
Turpin	47.7°N 1.4°W / 47.7; -1.4	87.0	1982	Turpin	/ˈtɜːrpɪn/	WGPSN
Valdebron	29.6°N 104.4°W / 29.6; -104.4	49.0	August 5, 2008	Saracen lord		WGPSN