O.S. = Observation Spot.
| Place Name | Lat. South | Long. West |
| Abtao Island—s. Point | 41° 48' 00" | 73° 26' 00" |
| Alao Island—summit | 42° 35' 00" | 73° 22' 00" |
| Cahuache Island—summit | 42° 28' 05" | 73° 18' 45" |
| Calbuco—another observation | 41° 46' 00" | 73° 11' 00" |
| Calbuco, Fort—east end of island | 41° 46' 10" | 73° 10' 45" |
| Canoitad Rock—summit | 43° 30' 00" | 73° 50' 30" |
| Castro Town—eastern most part | 42° 27' 45" | 73° 49' 20" |
| Chaugues Islands—north summit... | 42° 15' 00" | 73° 18' 00" |
| Cocotue Height—summit | 41° 56' 40" | 74° 05' 35" |
| Corcovado Mountain—summit | 43° 11' 20" | 72° 48' 40" |
| Corona Head—northern pitch | 41° 46' 00" | 73° 57' 30" |
| Dalcahue—Chapel | 42° 23' 00" | 73° 40' 00" |
| Guabun, Cape—north-west extreme | 41° 47' 50" | 74° 05' 55" |
| Huafo Island—east point (of coves) | 43° 38' 40" | 74° 34' 40" |
| Huafo Island—northern rock | 43° 32' 00" | 74° 44' 20" |
| Huafo Island—south extremity | 43° 41' 50" | 74° 46' 00" |
| Huafo Island—summit over north west, or weather, point | 43° 35' 30" | 74° 48' 40" |
| Huapilinao Head—summit | 41° 57' 36" | 73° 32' 20" |
| Huapiquilan Islands—southern islet summit | 43° 29' 30" | 74° 15' 00" |
| Huapiquilan—Larger Island—southern summit | 43° 26' 30" | 74° 17' 50" |
| Huentemo Head—summit | 42° 34' 20" | 74° 12' 40" |
| Huildad Harbour | 43° 03' 00" | 73° 34' 00" |
| Laytec Island—south-east extremity | 43° 15' 05" | 73° 36' 00" |
| Lemuy Island—Apabon peaked hill | 42° 40' 00" | 73° 35' 30" |
| Lobos Head—summit | 42° 04' 00" | 73° 27' 00" |
| Matalqui, Cape—west extreme | 42° 10' 40" | 74° 14' 00" |
MatalquizHeight—summit | 42° 10' 30" | 74° 11' 10" |
| Minchinmadom Mountain—south summit | 42° 48' 00" | 72° 34' 30" |
| Nihuel Islet—summit | 42° 36' 10" | 72° 58' 10" |
| Oscuro, Port—O.S. | 42° 04' 00" | 73° 29' 00" |
| Pirulil Head — north-west extremity | 42° 44' 40" | 74° 11' 00" |
| Poloque Island—south point | 41° 51' 00" | 73° 06' 00" |
| Quicavi Bluff | 42° 15' 00" | 73° 24' 00" |
| Quilan, Cape—south-west extreme | 43° 17' 10" | 74° 26' 00" |
QuilanzCove—O.S. | 42° 52' 00" | 73° 33' 00" |
| Quintergen Point—summit | 42° 09' 25" | 73° 24' 00" |
| San Carlos Harbour—English Bank | 41° 49' 00" | 73° 54' 00" |
| San Carlos Harbour—Point Arenas—O.S. | 41° 51' 20" | 73° 56' 00" |
| San Carlos town—landing-place at Mole | 41° 52' 00" | 73° 52' 40" |
| San Pedro Mountain—summit | 43° 21' 00" | 73° 49' 00" |
| San Pedro Passage—O.S. in cove | 43° 19' 35" | 73° 45' 20" |
| Sanoullan Point—north-eastern cliff | 41° 47' 30" | 73° 35' 20" |
| Sentinela Point—extremity | 42° 59' 25" | 73° 22' 30" |
| Talcan Harbour—O.S. | 42° 47' 00" | 72° 58' 00" |
| Tres Cruces Point—extreme pitch | 41° 49' 30" | 73° 31' 40" |
| Vilcun, Mount—summit | 42° 48' 50" | 72° 52' 50" |
| Yal Point—summit | 42° 39' 00" | 73° 43' 00" |
| Yanteles Mountain—summit—southern | 43° 30' 00" | 72° 50' 30" |
| Ypuntad, Cape—north-west extremity | 42° 59' 15" | 74° 16' 50" |