| SIS 10 | Cromlech | | SIERRA DE SIS | Exacta (~25m) | Nahiko egoera onean | | |
| SIS 11 | Cromlech | | SIERRA DE SIS | Exacta (~25m) | | | |
| SIS 2 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Oso kaltetuta | | |
| SIS 3 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Oso kaltetuta | | |
| SIS 4 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Oso kaltetuta | | |
| SIS 5 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Nahiko egoera onean | | |
| SIS 6 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Nahiko egoera onean | | |
| SIS 8 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Oso kaltetuta | | |
| SIS 9 | Cromlech | Huesca | SIERRA DE SIS | Exacta (~25m) | Oso kaltetuta | | |
| Sis 1 bis | Cromlech | | SIERRA DE SIS | Exacta (~25m) | | | |
| SOALAR | Túmulo | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOALAR | Cromlech | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| Soalar | Menhir | | Nafarroa Garaia | Exacta (~25m) | | | |
| SOALAR 1 ipar | Dolmen | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOALAR 1 mendebal** | Menhir | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOALAR 2 ekialde | Menhir | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOALAR 2 hego | Dolmen | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOALAR 2 MENDEBALDE | Túmulo | | SOALAR – AUTZA | Exacta (~25m) | | | |
| SOASO DE LINÁS | Menhir | Huesca | Valle de ORDESA | Exacta (~25m) | Nahiko egoera onean | | |
| SOASO DE LINÁS 1 | Túmulo | Huesca | Valle de ORDESA | Exacta (~25m) | Oso kaltetuta | | |
| SOASO DE LINÁS 2 | Túmulo | Huesca | Valle de ORDESA | Exacta (~25m) | Oso kaltetuta | | |
| SOASO DE LINÁS 3 | Cromlech | Huesca | Valle de ORDESA | Exacta (~25m) | Nahiko egoera onean | | |
| SOASO DE LINÁS 4 | Cromlech | Huesca | Valle de ORDESA | Exacta (~25m) | Oso kaltetuta | | |
| SOASO DE LINÁS 5 | Cromlech | Huesca | Valle de ORDESA | Exacta (~25m) | Nahiko egoera onean | | |
| SOATE | Dolmen | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| SOBRANTE DE LINZA | Menhir | | Valles de ZURIZA - LINZA | Exacta (~25m) | | | |
| SOBRANTE DE LINZA | Dolmen | | Valles de ZURIZA - LINZA | Exacta (~25m) | | | |
| SOBRANTE DE LINZA ALTO | Menhir | Huesca | Valles de ZURIZA - LINZA | Exacta (~25m) | Oso kaltetuta | | |
| SOEIX | Cromlech | | Aquitaine | Exacta (~25m) | | | |
| SOGOITIA (Larraun) | Dolmen | Nafarroa | BAIGURA - SALAZAR | Exacta (~25m) | | | |
| SOHANDI erdi | Cromlech | | ORIZUN - URKULU | Exacta (~25m) | | | |
| SOHANDI mendebalde | Cromlech | | ORIZUN - URKULU | Exacta (~25m) | | | |
| SOHANDI ekialde | Cromlech | | ORIZUN - URKULU | Exacta (~25m) | | | |
| SOIAONDI | Dolmen | | JUSLAPEÑA | Exacta (~25m) | Oso kaltetuta | | |
| SOILTXIKI | Dolmen | Nafarroa | ARALAR | Exacta (~25m) | | | |
| SOILUZE | Túmulo | Nafarroa | URBASA | Exacta (~25m) | | | |
| SOKILLETE | Túmulo | Nafarroa | GORRITI - HUITZI | Exacta (~25m) | | | |
| SOKILLETE (Mugarriberri) | Dolmen | Nafarroa | GORRITI - HUITZI | Exacta (~25m) | | | |
| SOLANO DE EZKAURRE | Dolmen | Nafarroa | BELAGOA | Exacta (~25m) | | | |
| SOLDADU-HARRIA | Cromlech | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| SOLLA | Fondo de cabaña | | LARRAUN | Exacta (~25m) | | | |
| SOLLOAUNDI | Túmulo | Nafarroa | ARALAR | Aproximada (~200m) | | | |
| SOLLUBE | Otro / dudoso / desconocido | Bizkaia | SOLLUBE | | | | |
| SOLLUBEKO ITURRIA | Dolmen | Bizkaia | SOLLUBE | Exacta (~25m) | | | |
| SOLMEARKO GAINA ekialde | Campo tumular | | LARRAUN | Exacta (~25m) | Nahiko egoera onean | | |
| SOLONAGUA | Menhir | Arraia-Maeztu | MONTES DE ITURRIETA | Exacta (~25m) | | | |
| SOOSA | Menhir | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa | Dolmen | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA 1 erdi | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA 1 mendebalde | Túmulo | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 13 | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 14 | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 16 | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA 2 ekialde | Túmulo | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA 2 hego | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 21 | Túmulo | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 3 | Túmulo | Andia | ANDIA | Exacta (~25m) | | | |
| Soosa 4 | Túmulo | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA ekialde | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOOSA* | Cromlech | Andia | ANDIA | Exacta (~25m) | | | |
| SOPERÚN | Dolmen | | CORNUDELLA (Aren) | Exacta (~25m) | | | |
| Soplahogueras | Menhir | Artaxoa | ARTAJONA | Exacta (~25m) | | | |
| SOQUES | Cromlech | | OSSAU | Exacta (~25m) | | | |
| SORAGETA | Cromlech | Nafarroa, Arantza | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | Oso kaltetuta | | |
| Sorageta Iparralde | Túmulo | | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | | | |
| SORALEPO 1 | Túmulo | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| SORALEPO 2 | Túmulo | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| SORANO | Cista | Nafarroa | ERAKURRI - MENDAUR | Exacta (~25m) | Oso kaltetuta | | |
| SORBITZUAGA | Menhir | Bizkaia | SOLLUBE | Exacta (~25m) | | | |
| SORGINETXE | Dolmen | Agurain | LA LLANADA ORIENTAL | Exacta (~25m) | Egoera onean | | |
| SORGINETXOA | Dolmen | Baztan | SOALAR – AUTZA | Exacta (~25m) | | | |
| SORGINZELAIETA | Cromlech | Nafarroa | ERAKURRI - MENDAUR | Exacta (~25m) | | | |
| SOROAUNDI | Dolmen | Nafarroa | ATXURI - ESKISAROI | Exacta (~25m) | | | |
| SOROGAIN | Cista | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| SOROGAIN | Dolmen | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| SOROGAINGO BIDEA | Túmulo | Erroibar | SOROGAIN – IBAÑETA | Exacta (~25m) | Oso kaltetuta | | |
| Sorolepo IV | Menhir | | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| Sorolepo V | Dolmen | | AURITZ - ERRO | Exacta (~25m) | | | |
| SOROLUXE | Fondo de cabaña | | URKULU – IRATI | Exacta (~25m) | | | |
| SOROLUXE | Dolmen | Nafarroa | URKULU – IRATI | Exacta (~25m) | | | |
| SOROLUXE | Cromlech | Nafarroa | URKULU – IRATI | Aproximada (~200m) | | | |
| SOROLUXE hego | Fondo de cabaña | | URKULU – IRATI | Exacta (~25m) | | | |
| SOROMEAR | Túmulo | | URKIAGA – ADI | Exacta (~25m) | | | |
| SOROMEAR 2 hego | Dolmen | | URKIAGA – ADI | Exacta (~25m) | | | |
| SOROMEAR 1 ipar | Dolmen | | URKIAGA – ADI | Exacta (~25m) | | | |
| SOROSGAIN (Olaztiko Portua) | Dolmen | Nafarroa | URBASA | Exacta (~25m) | | | |
| SOROTA | Dolmen | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| SOSAPORTILLO 1 ipar | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOSAPORTILLO 2 hego | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| Sosaportillo 4 | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOSAPORTILLO mendebal | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| SOTOALDEA | Dolmen | Nafarroa | LA SOLANA | Destruído | Suntsitua | | |
| SOUDET | Fondo de cabaña | | BARETOUS | Exacta (~25m) | | | |
| SOUPERET | Cromlech | Bearn | ASPE | | | | |
| SOUSSE DESSUS | Menhir | Hautes-Pyrénées | Ezezaguna | Exacta (~25m) | Nahiko egoera onean | | |
| SOUSSOUEOU EST 6 | Cromlech | | OSSAU | Exacta (~25m) | | | |
| SOUSSOUÉOU oeste | Cromlech | Bearn | OSSAU | Exacta (~25m) | | | |
| SOUSSOUEOU oeste | Dolmen | | OSSAU | Exacta (~25m) | | | |
| SOYARZA 1 | Túmulo | | AZKONBEGI - OSTABAT | Exacta (~25m) | Nahiko egoera onean | | |
