O.S. = Observation Spot.
| Place Name | Lat. South | Long. West |
| Ahuja Point—western cliff summit | 05° 55' 30" | 81° 10' 00" |
| Algodon Bay—extremity of point | 22° 06' 00" | 70° 17' 05" |
| Arica—Mole | 18° 28' 05" | 70° 23' 45" |
| Arica—summit of Monte Gordo | 18° 28' 55" | 70° 23' 30" |
| Asia Rock—summit | 12° 48' 00" | 76° 41' 55" |
| Atico—east cove | 16° 13' 30" | 73° 45' 15" |
| Beware Point—south-west extreme | 15° 08' 35" | 75° 25' 45" |
| Blanco, Cape—under middle high cliff | 04° 16' 40" | 81° 15' 45" |
| Callao Bay—Arsenal Flagstaff | 12° 04' 00" | 77° 13' 30" |
| Carrasco, Mount—highest summit | 20° 58' 30" | 70° 09' 45" |
| Carreta, Mount—summit | 14° 09' 50" | 76° 20' 20" |
| Casma Bay—inner south point | 09° 28' 00" | 78° 25' 35" |
| Chala Point—extreme | 15° 48' 00" | 74° 31' 00" |
| Chancay Head—summit | 11° 35' 55" | 77° 20' 35" |
| Chao Islet—centre | 08° 46' 30" | 78° 49' 00" |
| Chilca Cove—Rock—summit | 12° 29' 20" | 76° 52' 30" |
| Chilca Point—south-west pitch | 12° 31' 00" | 76° 52' 40" |
| Chipana Bay—O.S. | 21° 23' 00" | 70° 10' 50" |
| Chorillos Bay | ||
| Cobija—flagstaff—landing-place | 22° 34' 00" | 70° 21' 05" |
| Coles Point—extremity | 17° 42' 00" | 71° 26' 15" |
| Colina Redonda—summit | 09° 38' 35" | 78° 24' 20" |
| Constitución Cove—shingle point on island | 23° 26' 42" | 70° 40' 30" |
| Doña Maria—Table—central summit | 14° 41' 00" | 75° 53' 40" |
| Eten Head—summit over | 06° 56' 40" | 79° 53' 50" |
| Ferrol Bay—Blanco Island—summit | 09° 06' 30" | 78° 39' 25" |
| Frayles Point—extreme | 13° 01' 00" | 76° 34' 50" |
| George, Mount—Morro Jorge—summit | 23° 15' 10" | 70° 39' 45" |
| Gorda Point—western low extreme | 19° 19' 00" | 70° 21' 30" |
| Guañape Islands—summit of highest | 08° 34' 50" | 78° 59' 15" |
| Guayaquil—south end of city | 02° 13' 00" | 79° 53' 30" |
| Hormigas Islet—largest (southern) | 11° 58' 00" | 77° 50' 00" |
| Huacho Point—extreme pitch | 11° 08' 45" | 77° 40' 15" |
| Huanchaco Point—south-west extremity | 08° 05' 40" | 79° 09' 00" |
| Huarmey—west end of sandy beach | 10° 06' 15" | 78° 13' 00" |
| Iquique—centre of island | 20° 12' 30" | 70° 14' 30" |
| Islay, Mount—summit | 16° 56' 05" | 72° 08' 30" |
| Islay—Custom House | 17° 00' 00" | 72° 10' 15" |
| Jaguay, or Gramadel, Head—west extremity | 10° 25' 15" | 78° 03' 30" |
| Jara Pont—summit | 23° 53' 00" | 70° 35' 45" |
| Jaron, Mount—summit | 23° 52' 30" | 70° 32' 15" |
| Lambayeque—beach opposite | 06° 46' 00" | 79° 59' 30" |
| Loa, Rio—mouth of | 21° 28' 00" | 70° 06' 15" |
| Lobo Point, or Blanca—outer pitch | 21° 05' 30" | 70° 15' 45" |
| Lobo Point—summit | 18° 45' 40" | 70° 25' 30" |
| Lobos de Afuera Island—Fishing Cove on east side | 06° 56' 45" | 80° 43' 55" |
| Lobos de Tierra—central summit | 06° 26' 45" | 80° 52' 50" |
| Lobos Island—near Payta—south extreme | 05° 13' 35" | 81° 13' 10" |
| Lomas—flagstaff on Point | 15° 33' 15" | 74° 54' 45" |
| Macabi Islet—summit | 07° 49' 15" | 79° 30' 55" |
| Malabrigo Bay—rocks | 07° 42' 40" | 79° 28' 00" |
| Malpelo Point—mouth of Tumbes River | 03° 30' 40" | 80° 30' 30" |
| Mexillones Hill—summit | 23° 06' 30" | 70° 35' 00" |
| Mollendo | 17° 00' 00" | 71° 00' 00" |
| Mongon, Mount—western summit | 09° 38' 15" | 78° 21' 15" |
| Moreno, Mount—summit | 23° 28' 30" | 70° 38' 15" |
| Morro Solar—summit | 12° 11' 30" | 77° 06' 15" |
| Nasca Point—summit | 14° 57' 00" | 75° 34' 30" |
| Pacasmayo Point—north-west extreme | 07° 25' 15" | 79° 37' 25" |
| Paraca Bay—west point—north extreme | 13° 48' 00" | 76° 22' 15" |
| Pariña Point—extreme | 04° 40' 50" | 81° 20' 45" |
| Patache Point—extreme | 20° 51' 05" | 70° 18' 15" |
| Payta—new end of town | 05° 05' 30" | 81° 08' 15" |
| Payta—Silla (or Saddle)—south summit | 05° 12' 00" | 81° 09' 20" |
| Pelado Islet—summit | 11° 27' 10" | 77° 53' 00" |
| Pescador Islands—summit of largest | 11° 47' 10" | 77° 19' 50" |
| Pescadores Point—south-west extreme | 16° 23' 50" | 73° 20' 25" |
| Pica Pabellon—summit | 20° 57' 40" | 70° 14' 00" |
| Picos Point—extreme cliff | 03° 45' 10" | 80° 47' 30" |
| Pisagua—Point Pichalo—extreme | 19° 36' 30" | 70° 19' 00" |
| Pisco—Town—middle | 13° 43' 00" | 76° 16' 30" |
| Puná Island—Consulate on Point Española | 02° 47' 30" | 79° 57' 45" |
| Quilca—Cove—west head | 16° 42' 20" | 72° 31' 00" |
| Reyes Head—extreme pitch | 24° 34' 30" | 70° 39' 45" |
| Salinas Hill—summit | 11° 15' 30" | 77° 39' 55" |
| Sama, Mount—highest summit | 17° 58' 35" | 70° 56' 15" |
| Samanco Bay—Cross Point | 09° 15' 30" | 78° 32' 45" |
| San Francisco Head—west pitch | 21° 55' 50" | 70° 14' 45" |
| San Gallan—Island—northern summit | 13° 50' 00" | 76° 31' 15" |
| San Juan—Needle Hummock | 15° 20' 56" | 75° 13' 20" |
| San Lorenzo Island—north point | 12° 04' 00" | 77° 19' 00" |
| San Nicholas Bay | ||
| Sana Point—extreme | 07° 10' 35" | 79° 43' 30" |
| Santa—centre of projecting point | 09° 00' 00" | 78° 41' 30" |
| Sechura Town—church | 05° 35' 00" | 80° 49' 45" |
| Supé—west end of village | 10° 49' 45" | 77° 47' 00" |
| Tambo Valley—Point Mexico—south-west extreme | 17° 10' 50" | 71° 52' 00" |
| Trigo, Mount—summit | 24° 40' 00" | 70° 36' 15" |
| Truxillo—church | 08° 07' 30" | 79° 04' 00" |
| Wickham, Mount—summit | 08° 20' 00" | 78° 49' 00" |
| Wilson, Mount—summit | 14° 04' 50" | 76° 20' 15" |
| Ylo Town—rivulet mouth | 17° 37' 00" | 71° 23' 45" |
| Yndependencia Bay—south point of Santa Rosa Island | 14° 18' 15" | 76° 13' 30" |