Based on the Daet Public Land Subdivision (PLS) 488-D Case 1 and 2, Daet had a total land area of 8,241.275 hectares. Said survey was done on July 1, 1956 to October 24, 1958 in accordance with Act 1305 as amended. The Daet PLS 488-D Case 1 and 2 was approved on September 16, 1953 by Jovencio Q. Mayor, then Acting Director of the Bureau of Lands. At present, the figure being used to indicate the land area of Daet is 5,861 hectares based on a simple DENR certification dated March 5, 1989 (said DENR certification did not indicate the technical description of Daet’s land area). This land area is net of those original included in the PLS Survey that were transferred to Basud and San Vicente.

Daet is the second smallest municipality among the 12 municipalities of Camarines Norte province in terms of land area. It has a land area of only 5,861 hectares or 3 percent of the provincial total land area of 234,365 hectares.  (N.B. It should also be noted that the 1997 Philippine Forestry Statistics placed the total land area of Camarines Norte province at 211,249 hectares.)

Of Daet’s total land area, 189 hectares or 3 percent are classified as urban area. On the other hand, 5,672 hectares or 97 percent are classified as rural area.

• Agricultural - 3,590.93 has.
• Built-Up Area - 2,130.84 has.
• Parks and Open Spaces - 43.03 has.
• Fishponds, rivers, Swamps - 96.20 has.

The topography, slope and elevation are generally flat. It is particularly devoid of mountains and valleys. This is because Daet is a floodplain. specifically, slope ranges from 0 to 3 percent which is described as level to very gently sloping. This kind of slope is highly suitable for agricultural, urban, industrial and other related uses. Similarly, Daet's elevation above sea level was measured under 0 to 100 meters or an average of 10 meters above sea level which is very low.

Daet acts as the floodplain and basin for the Labo River, Daet River, San Vicente River and the Basud River. Said rivers have their headwaters in Mount Bayabas, Mount Labo and Mount Pulantuna which lie on the west and southwest of the municipality. The Daet River and the Basud River unite at the eastern part of the municipality of Basud before discharging into the Pcific Ocean.  

Landform Types:

• Tidal Flat, Mangrove and/or Nipa

• Former Old Tidal Flats

• River Terrace

• Broad Plains

• Lower Footslopes

Type II - no dry season and a very pronounced rainy period particularly during the months of November and January. 

The annual rainfall average is usually high. From 1994 to 1998, Daet had an annual average of 248 millimeters of rains. The rainiest months during the same period were from October to December with an average of 494 millimeters.

Sedimentary Rocks of Recent Alluvium Deposits

Soil Classification:

1. Soils of the Plains and the Valleys

• San Manuel Clay Loam
• San Manuel Loam
• Indian Clay

2. Soils of Miscellaneous Land Types

• Hydrosoil Type

• Male - 24,039
• Female - 25,413

In the Labor Force

• Employed - 22,822
• Unemployed - 2,438

Not in the Labor Force - 24,133

• Construction materials such as sand, gravel, boulders and earth

• Camarines Norte Provincial Hospital (Barangay 2)

Privately Owned:

• Santissima Trinidad Hospital (Camambugan)
• Our Lady of Lourdes Hospital (Lag-on)
• Sto. Nino Hospital (Barangay VII)
• G.S. Briola Hospital (Barangay VII)

• Health Stations - 23
• Clinics - 29
• Drug Stores - 14

Daet has been using open dump. The open dumpsite covers 2 hectares of agricultural land owned by the municipal government. The land was donated by the Daet Chinese community in exchange for the expansion of the Chinese cemetery on a land owned by the municipal government.