SI: Planinsko polje je šolski primer kraškega polja, saj na eni strani izvira reka, na drugi strani pa ponikne. Samo polje je dolgo 5km in široko okoli 2,5km, po njem pa v meandrih teče reka Unica. Polje leži na 450 m nadmorske višine, ter se razteza na skoraj 11 km2 površine, ter sega v tri občine – Logatec, Postojna in Cerknica. Je najnižje ležeče polje Notranjskega podolja, katero je večkrat letno tudi poplavljeno. Voda na polje prihaja iz treh različnih virov – reke Unice, Malenščice in hudourniškega rokava reke Rak - Škratovka. Na polju pa najdemo tudi endemit kraških polj, travniška modra čebulica – Scilla (lat. Scilla litardierei) saj je to njeno najbolj severozahodno rastišče. Prav tako pa na polju, kjer gnezdijo, najdemo kosca (lat. Crex crex) (ogrožena ptica), pisano penico (lat. Sylvia nisoria), rjavega srakoperja (lat. Lanius collurio ) in vodomca (lat. Alcedo atthis). Prav zaradi teh naravnih posebnosti je Planinsko polje uvrščeno v območje Natura 2000, njegove geomorfološke posebnosti pa so naravna vrednota državnega pomena.
Ob robu Planinskega polja je nastalo tudi več naselij, največje med njimi je Planina, poleg te pa še Laze, Jakovica, Grčarevec in Liplje.
Serija zakladkov po Planinskem polju vas bo popeljala na ogled znanih in manj znanih posebnosti.
Določeni zakladki vsebujejo tudi bonus številke, ki vas za zaključek peljejo na še eno skrito točko Planinskega polja.
EN: Planinsko polje or Planina field is a school example of a karst field, as the river emerge on one side and sinks on the other side. The field itself is 5 km long and 2.5 km wide, and the river Unica flows through it in meanders. Field lies 450 meters above sea level and extends over an area of 11 km2. The field spreads over three municipalities – Logatec, Postojna and Cerknica. It is the lowest lying field over the system of field in the Notranjska area. Several times in a year, the filed is flooded and transformed into a lake. The water in the filed comes from three different sources – river Unica, stream Malenščica and the torrential arm of the river Rak – Škratovka. On the field we can observe endemic flower of the karst fields - Scilla litardierei - Meadow Sea bulb. This field is its northwesternmost habitat. Beside that, on Planina field we can find the corn crake (crex crex) (which is an endangered species), barred warbler (Sylvia nisoria), Red-backed shrike (Lanius collurio) and common kingfisher (Alcedo atthis). All this natural specific, the Planina field is part of Natura 2000, the geomorfological feature of the field are part of natural value of national importance.
On the edge of the field, during time emerge also some villages and settlements. The biggest among them are Planina, other are Laze, Jakovica, Grčarevec and Liplje.
This series of the caches about Planina field will take you on the sightseeing some of the specialties.
Some caches also contain bonus numbers, which leads you to another beautiful, but somehow hidden spot of Planina field.

Foto: Valvazorjeva upodobitev Planine /Photo: Valvasor's portrayal of the Planina
SI: Planina je največje naselje ob Planinskem polju. Danes zgolj naselje ob glavni magistralni poti, nekoč živi furmansko mesto. Območje je bilo poseljeno že v Rimskih časih, ko se je kraj imenoval Albia, kasneje ko Planina postane trg pa Alben. Planina se je nekoč delila na zgornji trški del pri Malem gradu (Ravbarjev stolp), ki se je imenoval Unec, kasneje Kačja vas zaradi serpentin, ki vodijo preko Postojnskih vrat – najnižji prelaz med Mediteranom in celinsko Evropo. Spodnji del naselja pa se je imenoval Sv. Marjeta po župnijski cerkvi. Danes domačini naselje delijo na Dolnjo in Zgornjo Planino. V Planini danes prevladujejo velike domačije s stanovanjskimi in gospodarskimi poslopji, ki so bile v zlatih časih velike furmanske gostilne. Planina pa je tudi rojstni kraj Miroslava Vilharja, avtorja številnih danes ponarodelih pesmi – Zagorski zvonovi, Po jezeru bliz Triglava, Lipa zelena je.
EN: Planina is the largest settlement along the Planina field. Today it is only village by the main road Ljubljana – Postojna, in the past this was a very alive Furman (Carter) city. This area was first settled already during the Roman times, called Albia, later in mediaeval time even Alben. Planina used to be divided into two parts – upper part by the Mali grad (Small castle or Raubarjev tower) called Unec, later even Kačja vas (Snake village), because of the nearby serpentine road. This road also leads through Postojnska vrata pass, the lowest pass between Mediterran and the mainland. Lower part of the village was named Sv. Marjeta (Saint Marjeta) after the parish church. Today the locals divided the village just on upper and lower Planina. In Planina today, we can observe the large homesteads with residential and commercial buildings that used to be Furman’s/Carters tavern in the golden area of Planina. Planina is also the birth place of Slovenian poet Miroslav Vilhar – a lots of his poems are today interpreted as folks music – Zagorski zvoni (Bells from Zagorje), Po jezeru bliz Triglava (In the lake, nearby Triglav), Lipa zelena je (the linden is turning green).