| ARATXURI | Menhir | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| ARATZKASAROI | Menhir | Araba | SIERRA DE ALTZANIA | Exacta (~25m) | | | |
| ARBAIETA | Dolmen | Nafarroa | URKIAGA – ADI | Exacta (~25m) | | | |
| ARBAIETA 2 ekialde | Dolmen | | URKIAGA – ADI | Aproximada (~200m) | | | |
| ARBAIETA 1 mendebalde | Dolmen | | URKIAGA – ADI | Exacta (~25m) | | | |
| ARBALITZA | Túmulo | Bizkaia | ARBALITZA | Aproximada (~200m) | | | |
| ARBE | Menhir | Barrundia | SIERRAS DE ELGEA - URKILLA | Exacta (~25m) | Egoera onean | | |
| ARBEA | Dolmen | Nafarroa | ERAKURRI - MENDAUR | Exacta (~25m) | | | |
| ARBEAKO LEPOA | Dolmen | Nafarroa | ERAKURRI - MENDAUR | Exacta (~25m) | | | |
| ARBEAKO LEPOA | Cromlech | Nafarroa | ERAKURRI - MENDAUR | Exacta (~25m) | | | |
| Arbelar | Menhir | | AITZKORRI - URBIA | Exacta (~25m) | | | |
| ARBELO HEGO | Fondo de cabaña | | ARALAR | Exacta (~25m) | | | |
| ARBELTZ (Errebeltz norte) | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| ARBENUSO | Cromlech | | Valle de TENA | Aproximada (~200m) | | | |
| ARBILLETA 1 | Cromlech | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| ARBILLETA 2 | Cromlech | | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| ARBILLETA 3 | Cromlech | Nafarroa | SOROGAIN – IBAÑETA | Aproximada (~200m) | | | |
| ARBILLETAKO LEPOA | Túmulo | Nafarroa | SOROGAIN – IBAÑETA | Exacta (~25m) | | | |
| ARBORO | Campo tumular | Araba | MONTAÑA ALAVESA | | | | |
| ARBORTE | Túmulo | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| ARBOTANTE | Dolmen | Donamaria | ARITZ - BELATE | Exacta (~25m) | Nahiko egoera onean | | |
| Arbotante 3 | Menhir | Donamaria | ARITZ - BELATE | Exacta (~25m) | | | |
| Arbotante II | Cista | | ARITZ - BELATE | Exacta (~25m) | | | |
| ARBOTTON | Túmulo anular | Bakaiku | URBASA | Exacta (~25m) | | | |
| ARBURU | Campo tumular | | MONTES DE IZKIZ | Exacta (~25m) | | | |
| ARBURUKO BORDA | Cromlech | Irun | OIARTZUN | Exacta (~25m) | Oso kaltetuta | | |
| ARBURUKO BORDA I | Túmulo | Irun | OIARTZUN | Exacta (~25m) | Oso kaltetuta | | |
| ARDAITZ 1 ipar | Dolmen | Nafarroa | OIARTZABAL – LARROGAIN | Exacta (~25m) | | | |
| ARDAITZ 2 hego | Dolmen | Nafarroa | OIARTZABAL – LARROGAIN | Exacta (~25m) | | | |
| ARDAKOTCHIA ESTE | Fondo de cabaña | | NEGUMENDI - BINBALET | Exacta (~25m) | | | |
| Ardanbidetaburu | Túmulo | | SATUI - ARROLAMENDI | Exacta (~25m) | | | |
| ARDINET | Túmulo | | ASPE | Exacta (~25m) | | | |
| ARDIZOKO ARMASA | Cromlech | Nafarroa | LARRUN | Exacta (~25m) | | | |
| ARGAIKO-HARRIA | Cromlech | | MATARIA - LINDUX | Aproximada (~200m) | | | |
| ARGAINE | Dolmen | Sara | IBANTELLI - ATXURI | Exacta (~25m) | | | |
| ARGAINETA 1 (?) | Túmulo | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| ARGAINETA 2 (?) | Túmulo | | MONDARRAIN - ARTZAMENDI | Exacta (~25m) | | | |
| Argañeta | Menhir | | SOALAR – AUTZA | Exacta (~25m) | | | |
| ARGARBI | Dolmen | Gipuzkoa | ARALAR | | | | |
| Argibel | Dolmen | Donamaria | ARITZ - BELATE | Exacta (~25m) | | | |
| ARGIBEL | Menhir | | IZPEGI - ZAHO | Exacta (~25m) | | | |
| ARGIBEL | Menhir | | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL | Menhir | Donamaria | ARITZ - BELATE | Aproximada (~200m) | Nahiko egoera onean | | |
| ARGIBEL | Dolmen | Nafarroa | OIARTZABAL – LARROGAIN | Exacta (~25m) | Nahiko egoera onean | | |
| ARGIBEL | Cromlech | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 7 | Dolmen | | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 8 | Dolmen | | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 9 | Dolmen | | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 1 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 2 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 3 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 4 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 5 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBEL 6 | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBELE I | Dolmen | | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| ARGIBELE II | Dolmen | | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| ARGIBELE III | Dolmen | | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| ARGIBELE IV | Dolmen | | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| ARGIBELE V | Dolmen | | LARRAONA - LIZUNIAGA | Exacta (~25m) | | | |
| ARGIBELGO LEPOA | Menhir | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGIBIELA (Belabarze) | Túmulo | Nafarroa | BELAGOA | Exacta (~25m) | | | |
| ARGIÑEKOLEZE | Menhir | Urbasa | URBASA | Exacta (~25m) | Egoera onean | | |
| ARGINTZU | Cista | Nafarroa | ALBA - KINTO | Exacta (~25m) | Nahiko egoera onean | | |
| ARGINTZU | Dolmen | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGINTZU 1 | Túmulo | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGINTZU EKIALDE | Cromlech | Nafarroa | ALBA - KINTO | Exacta (~25m) | Nahiko egoera onean | | |
| ARGINTZU MENDEBALDE | Cromlech | Nafarroa | ALBA - KINTO | Aproximada (~200m) | | | |
| ARGINTZUKO LEPOA 1 ipar | Menhir | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGINTZUKO LEPOA 2 hego | Menhir | Nafarroa | ALBA - KINTO | Exacta (~25m) | | | |
| ARGINZERRADO | Túmulo anular | Goñerri | SALDISE | Exacta (~25m) | | | |
| ARGONIZ | Dolmen | Gipuzkoa | ATAUN - BURUNDA | | | | |
| ARGORRIETA | Cromlech | Nafarroa | ABARTAN - SAIOA | Exacta (~25m) | | | |
| ARIOLETA | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| ARIOLETA CUEVA | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| ARIOLETA IPAR | Chabola tumular | Andia | ANDIA | Exacta (~25m) | | | |
| ARITZBAKARREKO KASKOA | Cromlech | Nafarroa, Goizueta | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | | | |
| ARITZBAKARREKO KASKOA | Túmulo | Nafarroa | GOIZUETA-ARTIKUTZA-ARANTZA | Exacta (~25m) | | | |
| ARITZMENDI | Dolmen | Bera | LARRUN | Exacta (~25m) | Oso kaltetuta | | |
| ARIZDIA | Túmulo anular | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 1 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 2 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 3 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 4 | Dolmen | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 5 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 6 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| Arizdia 7 | Túmulo | Goñerri | SALDISE | Exacta (~25m) | | | |
| ARIZDIA 8 | Túmulo | | SALDISE | Exacta (~25m) | | | |
| ARIZDIA 9 | Túmulo | | SALDISE | Exacta (~25m) | | | |
| Arizdia X | Túmulo | | SALDISE | Exacta (~25m) | | | |
| Ariznabarreta | Túmulo | | SATUI - ARROLAMENDI | Exacta (~25m) | | | |
| Ariztiaundia | Túmulo | Betelu | ARAITZ | Exacta (~25m) | | | |
| ARIZTIAUNDIA | Campo tumular | | ARAITZ | Exacta (~25m) | | | |
| Ariztiaundia* | Menhir | Betelu | ARAITZ | Exacta (~25m) | | | |
| ARKATXIKI | Dolmen | Nafarroa | ULTZAMA | Exacta (~25m) | | | |
| ARKATXU | Dolmen | Nafarroa | ULTZAMA | Exacta (~25m) | | | |
| ARKAUN | Menhir | | ALTZANIA | Exacta (~25m) | Egoera onean | | |
| ARKAUN II | Menhir | | ALTZANIA | Exacta (~25m) | Egoera onean | | |
| ARKAUN III | Túmulo anular | | ALTZANIA | Exacta (~25m) | Nahiko egoera onean | | |
| ARKAUN IV | Fondo de cabaña | | ALTZANIA | Exacta (~25m) | Egoera onean | | |
