| 1 | Alpine High Mountains | Pyrenean ridge, glacial cirques, above 2000 m |
| 2 | Subalpine Forest Zones | Irati, Belagua – conifers and beech at high altitudes |
| 3 | Karstic Limestone Plateaus | Urbasa, Larraun – sinkholes, bare rock |
| 4 | Deep Mid-Mountain Valleys | Baztan, Roncal – narrow, forested |
| 5 | Atlantic Forest Valleys | Quinto Real, Bidasoa – humid and closed |
| 6 | Mediterranean Hill Ranges | Estella, Olite – olive groves, dry scrub |
| 7 | Fertile Floodplains | Pamplona basin, Arga valley – fertile and flat |
| 8 | Terraced Vineyards | Valdizarbe – south-facing slopes with vineyards |
| 9 | Erosion Plateaus | Zona Media – clay, gullies, wind-sculpted |
| 10 | Volcanic Relics | Ablitas area – tertiary cones |
| 11 | Semi-desert | Bardenas Reales – steppe, bare erosive land |
| 12 | Irrigated River Plains | Ribera Alta – productive Ebro tributaries |
| 13 | Salt Basins and Lagoons | Salinas de Oro, Pitillas – saline sinks |
| 14 | Canyon Landscapes | Foz de Lumbier – vertical gorges, bird habitats |
| 15 | Transitional Forest Zones | Aoiz, Sangüesa – open deciduous forests |
| 16 | Extensive Agricultural Plains | Ribera Alta – large-scale crops |