| 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) | | | |
| SÒMAHOZ | Menhir | | Ezezaguna | 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 | Orbaizeta | 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 | | |
| SOYARZA 2 | Túmulo | | AZKONBEGI - OSTABAT | Exacta (~25m) | Nahiko egoera onean | | |
| SOYARZA 4 | Túmulo | | AZKONBEGI - OSTABAT | Exacta (~25m) | Nahiko egoera onean | | |
| SOYARZA 3 | Túmulo | | AZKONBEGI - OSTABAT | Exacta (~25m) | Nahiko egoera onean | | |
| SUALAR | Cromlech | Sara | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| SUBERPEYRE | Cromlech | Hautes-Pyrénées | Ezezaguna | Exacta (~25m) | Nahiko egoera onean | | |
| SUGESTI 1 ipar * | Dolmen | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | Nahiko egoera onean | | |
| SUGESTI 2 hego | Dolmen | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| SUNTONEA | Dolmen | Nafarroa | LEGATE - ALKURRUNTZ | Exacta (~25m) | | | |
| SUPITAITZ | Menhir | Gipuzkoa | ARALAR | Exacta (~25m) | Nahiko egoera onean | | |
| SUPITAITZ 2 | Túmulo | | ARALAR | Exacta (~25m) | Oso kaltetuta | | |
| SURBE | Menhir | | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| SURBE | Túmulo | | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| Surbe 1 este | Túmulo | Araba | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| Surbe 2 oeste | Túmulo | Araba | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| Surbe VI Hegoaldea | Menhir | Araba | SIERRA DE ENTZIA | Exacta (~25m) | | | |
| SURBIAS | Túmulo | Bizkaia | ARMAÑON | Aproximada (~200m) | | | |
| SUSPIRU 1 hego | Dolmen | Nafarroa | BERTIZ - ARANA | Exacta (~25m) | | | |
| SUSPIRU 2 ipar | Dolmen | Nafarroa | BERTIZ - ARANA | Exacta (~25m) | | | |
| SUSTERA 1 hego | Dolmen | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| SUSTERA 2 ipar | Dolmen | Nafarroa | SOALAR – AUTZA | Exacta (~25m) | | | |
| TAJAHIERRO 1 | Túmulo | | Ezezaguna | Exacta (~25m) | | | |
| TAJAHIERRO 2 | Túmulo | | Ezezaguna | Exacta (~25m) | | | |
| TALONES DE LA FRONTAZA | Dolmen | | Valles de ECHO - AGUAS TUERTAS | Exacta (~25m) | | | |
| TANBURIN | Cromlech | Nafarroa | BELAGOA | Exacta (~25m) | Nahiko egoera onean | | |
| TANTADI 1 ipar | Dolmen | Nafarroa | ARITZ - BELATE | Exacta (~25m) | Oso kaltetuta | | |
| TANTADI 2 hego | Dolmen | Nafarroa | ARITZ - BELATE | Exacta (~25m) | | | |
| TANTURRANDI | Túmulo anular | Nafarroa | ANDIA | Exacta (~25m) | | | |
| TANTURRANDIKO LEPOA | Túmulo | Nafarroa | ANDIA | Exacta (~25m) | Nahiko egoera onean | | |
| TARTALOETXETA | Dolmen | Gipuzkoa | ALTZANIA | Exacta (~25m) | | | |
| Tèberne | Otro / dudoso / desconocido | | OSSAU | Exacta (~25m) | | | |
| TELLETA | Menhir | Kuartango | SIERRA DE GIBIJO | Exacta (~25m) | | | |
| TELLETXEKO BIZKAR EKIALDE | Cromlech | Nafarroa | ATXURI - ESKISAROI | Exacta (~25m) | | | |
| TELLETXEKO BIZKARRA | Túmulo | Nafarroa | ATXURI - ESKISAROI | Exacta (~25m) | | | |
| TELLETXEKO BIZKARRA | Cromlech | Nafarroa | ATXURI - ESKISAROI | Exacta (~25m) | | | |
| TOLARE | Túmulo | Etxalar | ATXURI - ESKISAROI | Exacta (~25m) | Oso kaltetuta | | |
| TONBA | Dolmen | Sara | IBANTELLI - ATXURI | Exacta (~25m) | | | |
| TONTORRAUNDI | Fondo de cabaña | Andia | ANDIA | Exacta (~25m) | | | |
| TONTORTXIKI I | Túmulo | Usurbil | IGELDO - MENDIZORROTZ | Exacta (~25m) | Nahiko egoera onean | | |
