Arrimal Small lagoon
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The small and large (this approximately 200 m NW) lagoons are small depressions whose bottoms are sealed with clay and other sediments and so are natural ways to store rainwater. Used traditionally by Arrimal, Arrabal, Mendiga and Alqueidão inhabitants for irrigation, domestic uses and as water sources for cattle, the lagoons are true oases in this rock realm.
In summertime, you can see a green mantle of Common Duckweed (Lemna minor), covering the lagoon. On the banks, due to the size and cigar aspect of its inflorescences Broadleaf Cattail (Typha latifolia) is evident among several wetlands plants. Perez's Frog (Rana perezi), Common Fire Salamander (Salamandra salamander), Viperine Snake (Natrix maura), Common Moorhen (Gallinula chloropus) and Little Grebe (Tachybaptus ruficollis) are the most common species in the lagoons, being quite important to amphibians, primarily for their larval development, because here is water all year round.
Around the lagoons and along Arrimal main street the wells built in limestone are beautiful architectural examples, witnesses of old times when groundwater was nearer the surface than today.
Small Lagoon: 39° 29' 30" N, 08° 52' 37" W
Large Lagoon: 39° 29' 58" N, 08° 52' 20" W
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The small and large (this approximately 200 m NW) lagoons are small depressions whose bottoms are sealed with clay and other sediments and so are natural ways to store rainwater. Used traditionally by Arrimal, Arrabal, Mendiga and Alqueidão inhabitants for irrigation, domestic uses and as water sources for cattle, the lagoons are true oases in this rock realm.
In summertime, you can see a green mantle of Common Duckweed (Lemna minor), covering the lagoon. On the banks, due to the size and cigar aspect of its inflorescences Broadleaf Cattail (Typha latifolia) is evident among several wetlands plants. Perez's Frog (Rana perezi), Common Fire Salamander (Salamandra salamander), Viperine Snake (Natrix maura), Common Moorhen (Gallinula chloropus) and Little Grebe (Tachybaptus ruficollis) are the most common species in the lagoons, being quite important to amphibians, primarily for their larval development, because here is water all year round.
Around the lagoons and along Arrimal main street the wells built in limestone are beautiful architectural examples, witnesses of old times when groundwater was nearer the surface than today.
Small Lagoon: 39° 29' 30" N, 08° 52' 37" W
Large Lagoon: 39° 29' 58" N, 08° 52' 20" W
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Lisboa e Vale do Tejo
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Porto de Mós
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Serras de Aire e Candeeiros Nature Park
Identification and Access
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No
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Access from:
- Porto de Mós – N362 to Serro Ventoso, there turn right to Rua do Moinho and keep forward to Rua Principal. Follow to Arrimal.
- Rio Maior – IC2 to Turquel, exit to Vale de Ventos and Arrimal.
The small lagoon is at the east part f Arrimal in Candeeiros hills.
Base Characterization
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Urban.
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Public
Tips
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Two walking routes starts near this lagoon, namely PR1 PMS - Serra da Lua; and PR2 (PMS) Arco da Memória, so take the time to get to know the region.
On the top of the hills see Memory Arc (Arco da Memória).
