| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1501  | Lai da Curnera  | Switzerland, Grisons Surselva > Tujetsch | lake | N 46° 37′ 38'' | E 8° 42′ 48'' |
| 1502 | Lac d'Icogne | Switzerland, Valais Sierre District > Lens | lake | N 46° 18′ 18'' | E 7° 27′ 21'' |
| 1503 | Lej da Gravatscha | Switzerland, Grisons Maloja > Samedan | lake | N 46° 32′ 45'' | E 9° 53′ 59'' |
| 1504 | Lac de Lona | Switzerland, Valais Sierre District > Anniviers | lake | N 46° 9′ 8'' | E 7° 31′ 44'' |
| 1505 | Lac de Morgins | Switzerland, Valais Monthey > Troistorrents | lake | N 46° 14′ 53'' | E 6° 50′ 49'' |
| 1506 | Lobsigensee | Switzerland, Bern Seeland District > Seedorf (BE) | lake | N 47° 1′ 50'' | E 7° 17′ 53'' |
| 1507 | Lac des Vaux | Switzerland, Valais Martigny District > Riddes | lake | N 46° 6′ 26'' | E 7° 16′ 21'' |
| 1508 | Igl Lai Heidsee,Igl Lai | Switzerland, Grisons Albula Region > Vaz/Obervaz | lake | N 46° 44′ 11'' | E 9° 33′ 3'' |
| 1509 | Nussbaumersee | Switzerland, Thurgau Bezirk Frauenfeld > Hüttwilen | lake | N 47° 36′ 55'' | E 8° 48′ 59'' |
| 1510 | Lag da Laus | Switzerland, Grisons Surselva > Sumvitg | lake | N 46° 42′ 11'' | E 8° 54′ 57'' |
| 1511 | Lämmerensee | Switzerland, Valais Leuk District > Leukerbad | lake | N 46° 24′ 5'' | E 7° 35′ 13'' |
| 1512 | Lai da Ravais-ch Sur | Switzerland, Grisons Maloja > S-chanf | lake | N 46° 40′ 40'' | E 9° 52′ 31'' |
| 1513 | Sämtisersee | Switzerland, Appenzell Innerrhoden Appenzell Inner Rhodes > Schwende-Rüte | lake | N 47° 16′ 15'' | E 9° 27′ 28'' |
| 1514 | Seealpsee | Switzerland, Appenzell Innerrhoden Appenzell Inner Rhodes > Schwende-Rüte | lake | N 47° 16′ 6'' | E 9° 24′ 2'' |
| 1515 | Schwarzsee | Switzerland, Valais Raron District > Blatten | lake | N 46° 25′ 52'' | E 7° 50′ 7'' |
| 1516 | Lag da Breil | Switzerland, Grisons Surselva > Breil/Brigels | lake | N 46° 46′ 17'' | E 9° 4′ 16'' |
| 1517 | Gibidumsee | Switzerland, Valais Visp District > Visperterminen | lake | N 46° 15′ 31'' | E 7° 56′ 25'' |
| 1518 | Chüebodensee | Switzerland, Glarus Glarus > Glarus Süd | lake | N 46° 56′ 11'' | E 9° 8′ 4'' |
| 1519 | Lac de Louvie | Switzerland, Valais Entremont District > Val de Bagnes | lake | N 46° 2′ 58'' | E 7° 18′ 30'' |
| 1520 | Weingartensee | Switzerland, Valais Visp District > Täsch | lake | N 46° 3′ 48'' | E 7° 50′ 20'' |
| 1521 | Lac Ter | Switzerland, Vaud Jura-Nord vaudois District > Le Lieu | lake | N 46° 39′ 11'' | E 6° 17′ 37'' |
| 1522 | Gigerwaldsee | Switzerland, Saint Gallen Sarganserland > Pfäfers | lake | N 46° 54′ 51'' | E 9° 22′ 38'' |
| 1523 | Lagh da Palü | Switzerland, Grisons Bernina > Poschiavo | lake | N 46° 22′ 23'' | E 10° 1′ 32'' |
| 1524 | Spaneggsee | Switzerland, Glarus Glarus > Glarus Nord | lake | N 47° 4′ 28'' | E 9° 7′ 50'' |
| 1525 | Hinterstockensee | Switzerland, Bern Frutigen-Niedersimmental District > Erlenbach im Simmental | lake | N 46° 41′ 7'' | E 7° 32′ 25'' |
| 1526 | Fälensee Faehlensee,Fählensee | Switzerland, Appenzell Innerrhoden Appenzell Inner Rhodes > Schwende-Rüte | lake | N 47° 15′ 5'' | E 9° 25′ 3'' |
| 1527 | Lac de Chésery | Switzerland, Valais Monthey > Monthey | lake | N 46° 12′ 8'' | E 6° 48′ 49'' |
| 1528 | Tschingelsee | Switzerland, Bern Frutigen-Niedersimmental District > Reichenbach im Kandertal | lake elevation 1153m | N 46° 33′ 5'' | E 7° 44′ 32'' |
| 1529 | Lej Nair | Switzerland, Grisons Maloja > Silvaplana | lake | N 46° 28′ 14'' | E 9° 49′ 7'' |
| 1530 | Lago del Zött | Switzerland, Ticino Vallemaggia District > Cevio | lake | N 46° 25′ 59'' | E 8° 30′ 11'' |
| 1531 | Lac des Toules | Switzerland, Valais Entremont District > Bourg-Saint-Pierre | lake | N 45° 55′ 8'' | E 7° 11′ 55'' |
| 1532 | Geistsee | Switzerland, Bern Thun District > Forst-Längenbühl | lake | N 46° 45′ 40'' | E 7° 32′ 6'' |
| 1533 | Lac Lussy | Switzerland, Fribourg Veveyse District > Châtel-Saint-Denis | lake | N 46° 32′ 37'' | E 6° 54′ 0'' |
| 1534 | Lagh de Pian Doss Lagh Doss | Switzerland, Grisons Moesa > Mesocco | lake | N 46° 26′ 58'' | E 9° 12′ 17'' |
| 1535 | Lagh da Val Viola Lago di Val Viola | Switzerland, Grisons Bernina > Poschiavo | lake | N 46° 24′ 15'' | E 10° 8′ 19'' |
| 1536 | Lai da Marmorera | Switzerland, Grisons Albula Region > Surses | lake | N 46° 30′ 1'' | E 9° 38′ 10'' |
| 1537 | Lac Lioson | Switzerland, Vaud Aigle District > Ormont-Dessous | lake | N 46° 23′ 10'' | E 7° 7′ 44'' |
| 1538 | Lej da Vadret | Switzerland, Grisons Maloja > Samedan | lake | N 46° 23′ 56'' | E 9° 50′ 54'' |
| 1539 | Schwarzsee | Switzerland, Valais Leuk District > Oberems | lake | N 46° 14′ 34'' | E 7° 39′ 58'' |
| 1540 | Lago Retico | Switzerland, Ticino Blenio District > Blenio | lake | N 46° 34′ 37'' | E 8° 53′ 28'' |
| 1541 | Lago Cadagno | Switzerland, Ticino Leventina District > Quinto | lake | N 46° 33′ 0'' | E 8° 42′ 42'' |
| 1542 | Lago di Morghirolo | Switzerland, Ticino Leventina District > Faido | lake | N 46° 27′ 3'' | E 8° 43′ 0'' |
| 1543 | Lago d'Alzasca | Switzerland, Ticino Vallemaggia District > Maggia | lake | N 46° 15′ 57'' | E 8° 35′ 5'' |
| 1544 | Hüttwilersee | Switzerland, Thurgau Bezirk Frauenfeld > Hüttwilen | lake | N 47° 36′ 37'' | E 8° 50′ 29'' |
| 1545 | Lac de Senin Lac de Senin | Switzerland, Valais | lake | N 46° 21′ 21'' | E 7° 17′ 38'' |
1546  | Moutier | Switzerland, Jura Moutier | second-order administrative division | N 47° 16′ 35'' | E 7° 21′ 52'' |
| 1547 | Lago del Sambuco Lago Sambuco,Lago del Sambuco,Stausee Sambuco | Switzerland, | lake elevation 1461m | N 46° 27′ 35'' | E 8° 39′ 23'' |
1548  | Titlis Monte Titlis,Titlis,Titlis Dagi,Titlis Dağı,jbl tytlys,khea thi thlis,tie li shi feng,titeulliseu,ti... | Switzerland, Obwalden Obwalden > Engelberg | mountain elevation 3238m | N 46° 46′ 19'' | E 8° 26′ 16'' |
1549  | Tilsiterland | Switzerland, | region | N 47° 36′ 0'' | E 9° 0′ 0'' |
1550  | Tiefencastel Castellum Impitinis,Casti,Tiefencastel,Tifenkastel',di fen ka si te er,Тифенкастель,蒂芬卡斯特爾 | Switzerland, Grisons Albula Region > Albula/Alvra | seat of a second-order administrative division population 244 | N 46° 39′ 36'' | E 9° 34′ 43'' |
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