| Manzuruturri 1 oeste | Campo tumular | Arraia-Maeztu | MONTES DE ITURRIETA | Exacta (~25m) | | | |
| Manzuruturri 2 este | Túmulo | Arraia-Maeztu | MONTES DE ITURRIETA | Exacta (~25m) | | | |
| MANZURUTURRI 3 | Túmulo | | MONTES DE ITURRIETA | Exacta (~25m) | | | |
| MANZURUTURRI 4 | Túmulo | | MONTES DE ITURRIETA | Exacta (~25m) | | | |
| MARAMENDI hego | Dolmen | Beizama | MURUMENDI | Exacta (~25m) | | | |
| MARAMENDI ipar | Dolmen | Beizama | MURUMENDI | Exacta (~25m) | | | |
| MARCANTÓN norte | Otro / dudoso / desconocido | | Valles de ECHO - AGUAS TUERTAS | Aproximada (~200m) | | | |
| MARCUERO | Dolmen | Goñerri | ANDIA | Exacta (~25m) | | | |
| MARIBIDAURRE | Dolmen | Gipuzkoa | BRINKOLA - ZEGAMA | Exacta (~25m) | Oso kaltetuta | | |
| MARIKUTX I | Túmulo | Gipuzkoa | IZARRAITZ | Exacta (~25m) | | | |
| MARIKUTX II | Túmulo | Gipuzkoa | IZARRAITZ | Exacta (~25m) | | | |
| MARILUXEKO HARRI (Armiaga) | Dolmen | | BEORLEGI | | | | |
| MARIOLA | Cista | Astigarraga | TXORITOKIETA-SANTIAGOMENDI | Exacta (~25m) | Oso kaltetuta | | |
| MARIXKO | Otro / dudoso / desconocido | Nafarroa | LARRUN | Exacta (~25m) | | | |
| MARKALAGAIN | Menhir | | LA SOLANA | Exacta (~25m) | | | |
| MAROTO | Túmulo | Gipuzkoa | ELGEA - ARTIA | Aproximada (~200m) | | | |
| MARTINLEZE 1 | Dolmen | Goñerri | ANDIA | Exacta (~25m) | | | |
| MARTINLEZE 2 | Dolmen | Goñerri | ANDIA | Exacta (~25m) | | | |
| MARTINZARRETA | Túmulo | Asparrena | SIERRAS DE ELGEA - URKILLA | Aproximada (~200m) | Nahiko egoera onean | | |
| MAS DE ABAD | Menhir | Huesca | SIERRA DE CARRODILLA | Exacta (~25m) | Nahiko egoera onean | | |
| MAS DE ABAD | Dolmen | | SIERRA DE CARRODILLA | Exacta (~25m) | Nahiko egoera onean | | |
| MAS DE BALON | Dolmen | | SIERRA DE CARRODILLA | Exacta (~25m) | Oso kaltetuta | | |
| MASPÊTRE 3 | Dolmen | Bearn | ASPE | Exacta (~25m) | Nahiko egoera onean | | |
| MASPÊTRE 4 | Dolmen | Bearn | ASPE | Exacta (~25m) | Nahiko egoera onean | | |
| MATA DEL CLEVE | Dolmen | Nafarroa | ILLÓN | Exacta (~25m) | | | |
| MATARIA | Túmulo | | MATARIA - LINDUX | Exacta (~25m) | | | |
| MATARIA* | Cromlech | | MATARIA - LINDUX | Exacta (~25m) | | | |
| MATESTAJE | Campo tumular | Araba | SIERRA DE BOBEDA | | | | |
| MATRAKOLA | Dolmen | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| MATXETA | Dolmen | Nafarroa | LEGATE - ALKURRUNTZ | Exacta (~25m) | | | |
| MATXITXANE (Intsausti) | Dolmen | Gipuzkoa | ARALAR | Exacta (~25m) | | | |
| MAUHOURAT | Dolmen | | OSSAU | Exacta (~25m) | | | |
| MAULITZ | Túmulo | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| MAURKETA | Túmulo | Gipuzkoa | ELOSUA - PLAZENTZIA | Exacta (~25m) | | | |
| MAZA PANDO 1 | Túmulo | Bizkaia | BALGERRI | Aproximada (~200m) | | | |
| MAZA PANDO 2 | Dolmen | Bizkaia | BALGERRI | Aproximada (~200m) | | | |
| MAZELARRA | Túmulo | Nafarroa | BELAGOA | Exacta (~25m) | Oso kaltetuta | | |
| MAZELARRA | Menhir | Nafarroa | BELAGOA | Exacta (~25m) | Oso kaltetuta | | |
| Meaga | Túmulo | | MEAGA | Exacta (~25m) | | | |
| Meakako Gaña | Túmulo | | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | | | |
| MEAKAKO LEPOA * | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| MEATSEKO BIZKARRA | Menhir | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| MEATSEKO BIZKARRA | Cromlech | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| MEATSEKO BIZKARRA 2 | Menhir | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| MEATSEko lepoa | Cromlech | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | Oso kaltetuta | | |
| MEATZE | Cromlech | Nafarroa | LAURIÑA - MENDIMOTZ | Exacta (~25m) | | | |
| MEATZE | Cromlech | | Iparraldea | Aproximada (~200m) | | | |
| MEATZERTA | Cromlech | Nafarroa | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | | | |
| MEATZU EKIALDE | Cromlech | Nafarroa | LARRUN | Exacta (~25m) | | | |
| MEATZU MENDEBAL | Cromlech | Nafarroa | LARRUN | Exacta (~25m) | | | |
| MEDIOS (Sosaportillo) | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| MEHATZE 1 ekialde | Túmulo | Nafarroa | LAURIÑA - MENDIMOTZ | Exacta (~25m) | | | |
| MEHATZE 2 mendebal | Túmulo | Nafarroa | LAURIÑA - MENDIMOTZ | Exacta (~25m) | | | |
| MEJANDI | Dolmen | Bizkaia | GORBEIA | Exacta (~25m) | | | |
| MENDIAUNDI | Dolmen | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| MENDIBIL | Dolmen | Nafarroa | UREPEL – BAZTARLA | Exacta (~25m) | | | |
| MENDIBIL | Menhir | Nafarroa | UREPEL – BAZTARLA | Exacta (~25m) | | | |
| MENDIBIL 2 ipar | Menhir | | UREPEL – BAZTARLA | Exacta (~25m) | | | |
| MENDIBIL ERDI | Cromlech | | UREPEL – BAZTARLA | Exacta (~25m) | | | |
| MENDIBIL HEGO | Cromlech | | UREPEL – BAZTARLA | Exacta (~25m) | Oso kaltetuta | | |
| MENDIBIL IPAR | Cromlech | | UREPEL – BAZTARLA | Exacta (~25m) | | | |
| MENDIBURU | Túmulo | | ELKE - KORONA | Exacta (~25m) | | | |
| MENDIGAIN | Campo tumular | | ERNIO | Exacta (~25m) | Nahiko egoera onean | | |
| MENDIGAIN II | Campo tumular | | ERNIO | Exacta (~25m) | Nahiko egoera onean | | |
| MENDIGAIN III | Túmulo | | Euskal Herria | Exacta (~25m) | Nahiko egoera onean | | |
| MENDIGAIN IV | Túmulo | | ERNIO | Exacta (~25m) | Egoera onean | | |
| MENDIGAÑA | Túmulo | Artzibar / Arce | BAIGURA - SALAZAR | Exacta (~25m) | Oso kaltetuta | | |
| MENDIGANA | Dolmen | Bizkaia | GORBEIA | Exacta (~25m) | Oso kaltetuta | | |
| MENDIGAÑA (12) | Campo tumular | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| MENDIGIBEL | Menhir | Nafarroa | ELKE - KORONA | Exacta (~25m) | | | |
| MENDIGUREN 1 | Dolmen | Barrundia | SIERRAS DE ELGEA - URKILLA | Exacta (~25m) | Oso kaltetuta | | |
| MENDIGUREN 2 | Túmulo | Barrundia | SIERRAS DE ELGEA - URKILLA | Exacta (~25m) | Oso kaltetuta | | |
| MENDILUZE | Cromlech | Araba | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| MENDILUZE | Menhir | Araba | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| MENDILUZE NORTE | Campo tumular | | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| MENDINAUSI 1 | Fondo de cabaña | | URBASA | Exacta (~25m) | | | |
| MENDINAUSI 2 | Fondo de cabaña | | URBASA | Exacta (~25m) | | | |
| MENDITTIPIKO BIZKARRA | Menhir | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| MENDITTIPIKO BIZKARRA | Cromlech | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| MENDITXIKI | Túmulo | Gipuzkoa | ARALAR | Exacta (~25m) | Oso kaltetuta | | |
| MENDIXAR | Dolmen | Nafarroa | LEGATE - ALKURRUNTZ | Exacta (~25m) | | | |
| MENDIZABALE | Cromlech | | BAIGURA - HALTZAMENDI | Exacta (~25m) | Nahiko egoera onean | | |
| MENDIZELAI | Campo tumular | Nafarroa | URBASA | Aproximada (~200m) | | | |
| MENDIZORROTZ I | Cromlech | Donostia | IGELDO - MENDIZORROTZ | Exacta (~25m) | Egoera onean | | |
| MENDIZORROTZ II* | Dolmen | Gipuzkoa | IGELDO - MENDIZORROTZ | | | | |
| MENKAIN | Campo tumular | Nafarroa | ELKE - KORONA | Exacta (~25m) | | | |
| MENÓ | Cromlech | Hautes-Pyrénées | Ezezaguna | Exacta (~25m) | Nahiko egoera onean | | |
| MERLI | Menhir | | RIBAGORZA - ISÁBENA | Exacta (~25m) | | | |
| MIATE | Dolmen | Bertizarana | BERTIZ - ARANA | Exacta (~25m) | Oso kaltetuta | | |
| MIKELARE | Dolmen | Arrosa | IPARLA - BAIGORRI | Exacta (~25m) | | | |
| MILALDAPA | Dolmen | Larraun | LARRAUN | Exacta (~25m) | | | |
| MILLAGATE | Túmulo | | BISKARTZU - ORGANBIDESKA | Exacta (~25m) | Nahiko egoera onean | | |
| MILLAGATE | Cromlech | | BISKARTZU - ORGANBIDESKA | Exacta (~25m) | | | |
| Milpiribil | Menhir | Euskal Herria | SIERRA DE ALTZANIA | Exacta (~25m) | | | |
| MINAKO LEPOA | Fondo de cabaña | | URKULU – IRATI | Exacta (~25m) | | | |
| MINAKO LEPOA | Cromlech | Nafarroa | URKULU – IRATI | Exacta (~25m) | | | |
| MINISTIRIO ESTE | Cromlech | | Valle de TENA | Exacta (~25m) | | | |
| MINISTIRIO OESTE | Cromlech | | Valle de TENA | Exacta (~25m) | | | |
| MINTEGITXUTA | Dolmen | Nafarroa | BALENKALEKU - TXARADIGORRI | Exacta (~25m) | | | |
| MIRANDASARE | Túmulo | | ANDIA | Exacta (~25m) | | | |
