| Alvøen | Vestland, Norway | 1 | 1 | 0 | 2020-04-22 | |
| Alvøen | Vestland, Norway | 2 | 2 | 0 | 2020-04-21 | |
| Alvøen | Vestland, Norway | 60 | 8 | 0 | 2020-04-21 | |
| Alvøen skole rundt fotballbanen | Vestland, Norway | 30 | 5 | 0 | 2015-04-23 | |
| Alvøskogen | Vestland, Norway | 4 | 1 | 0 | 2021-05-20 | |
| Amanda kjøpesenter | Rogaland, Norway | 3 | 2 | 1 | 2019-10-17 | |
| Ammerud ved Lillomarka-grensen | Oslo, Norway | 2 | 2 | 0 | 2018-07-29 | |
| Amtdal | Agder, Norway | 114 | 114 | 29 | 2010-08-02 | |
| Amundsbotn | Vestland, Norway | 3 | 1 | 0 | 2010-04-10 | |
| Andabeløy | Agder, Norway | 3 | 3 | 0 | 2000-08-02 | |
| Anders Buens gt 19 | Trøndelag, Norway | 8 | 6 | 4 | 2009-07-16 | |
| Andersbonnveien | Vestfold, Norway | 43 | 43 | 0 | 2019-07-16 | |
| Andersbonnveien, Kodal | Vestfold, Norway | 25 | 17 | 21 | 2021-06-30 | |
| Andersbånn | Vestfold, Norway | 1 | 1 | 1 | 2018-07-31 | |
| Andersbånnveien | Vestfold, Norway | 364 | 234 | 35 | 2017-07-14 | |
| Andestad | Møre og Romsdal, Norway | 6 | 6 | 0 | 2001-05-31 | |
| Anestølen | Vestland, Norway | 1 | 1 | 0 | 2008-06-28 | |
| Angholmen | Agder, Norway | 9 | 9 | 0 | 2017-06-05 | |
| Anjavasshytta | Troms, Norway | 11 | 10 | 13 | 2013-06-21 | |
| Ankolm, Levanger kommune | Trøndelag, Norway | 1 | 1 | 0 | 2007-04-20 | |
| Annvikstranda | Vestfold, Norway | 3 | 3 | 0 | 1970-07-17 | |
| Ansnes | Troms, Norway | 1 | 1 | 0 | 2009-05-19 | |
| Apalvik | Rogaland, Norway | 10 | 10 | 1 | 2014-06-04 | |
| Apalvågen til Fjæreidvatnet | Vestland, Norway | 7 | 7 | 0 | 1999-09-28 | |
| Apeltun | Vestland, Norway | 2 | 2 | 0 | 2017-06-07 | |
| Apeltunelven | Vestland, Norway | 1 | 1 | 0 | 2017-06-07 | |
| Apeltunvatnet | Vestland, Norway | 4 | 4 | 2 | 2017-06-07 | |
| Apeltunvatnet | Vestland, Norway | 77 | 21 | 0 | 2011-06-06 | |
| Arabygdi | Telemark, Norway | 6 | 6 | 3 | 2019-07-14 | |
| Arboretet | Rogaland, Norway | 369 | 145 | 53 | 2016-08-16 | |
| Arboretet, Milde | Vestland, Norway | 14 | 10 | 1 | 2013-05-24 | |
| Arefjordpollen | Vestland, Norway | 1 | 1 | 1 | 2007-08-17 | |
| Arefjordvegen | Vestland, Norway | 1 | 1 | 1 | 2013-09-01 | |
| Arendalsvegen | Agder, Norway | 251 | 77 | 137 | 2008-09-07 | |
| Arkavatnet | Rogaland, Norway | 152 | 81 | 0 | 1994-09-12 | |
| Arna | Vestland, Norway | 1 | 1 | 0 | 2007-04-14 | |
| Arnesbukta | Akershus, Norway | 1 | 1 | 1 | 2007-04-17 | |
| Aronnes | Finnmark, Norway | 1 | 1 | 0 | 2016-05-06 | |
| Aronnes | Finnmark, Norway | 1 | 1 | 0 | 2013-04-26 | |
| Aronnesskogen | Finnmark, Norway | 3 | 3 | 0 | 2023-05-12 | |
| Arstaddalen | Nordland, Norway | 3 | 3 | 3 | 2008-07-30 | |
| Arsvågen ferjekai | Rogaland, Norway | 1 | 1 | 0 | 2011-04-18 | |
| Asakmarka | Akershus, Norway | 26 | 6 | 0 | 2012-04-18 | |
| Asaldalen | Rogaland, Norway | 4 | 2 | 1 | 2023-10-02 | |
| Asdal | Telemark, Norway | 1 | 1 | 2 | 2019-05-01 | |
| Askehavn | Vestland, Norway | 3 | 3 | 1 | 2020-06-20 | |
| Asker | Akershus, Norway | 2 | 2 | 2 | 2018-06-26 | |
| Asker | Akershus, Norway | 11 | 3 | 0 | 2020-04-03 | |
| Asker, Bleiker | Akershus, Norway | 1 | 1 | 0 | 2014-09-05 | |
| Askerelva | Akershus, Norway | 10 | 10 | 0 | 1993-09-21 | |
Sustain.no is provided by the Norwegian Centre for Science Education