Best Greek islands for Nature Lovers

Best Greek islands for nature lovers are the greenest, wildest and least developed where hiking, gorges and wildlife come first. Crete with Samaria Gorge, Balos Lagoon and the White Mountains, Naxos with Mount Zas and cedar forests, Andros with waterfalls and stone bridges, Ikaria with wild gorges and hot springs, Alonissos with the National Marine Park, Samos with nightingale forests and Potami waterfalls, Kefalonia with Mount Ainos fir forest, Corfu with Korission Lagoon, and Amorgos with cliff paths and sea caves.

Known for nature over nightlife, with Samaria and Imbros gorges and Elafonissi dunes on Crete, Mount Ainos National Park and Melissani Lake on Kefalonia, Mount Zas and Alyko cedar forest on Naxos, Achla River and Pithara Waterfalls on Andros, and the Marine Park seal and dolphin watching around Alonissos and Skopelos. Cyclades like Mykonos, Paros and Santorini are drier and more built up with less hiking, while Dodecanese like Rhodes, Kos and Karpathos are sunnier and better for beaches than forest trails in high summer.

Island	Description
Samothrace	1200 plant species endemic paradise for nature lovers and hikers Mount Saos 1611m Vathres water ponds unique Aegean island Fonias Gorge cascades natural pools wild unspoiled haven trekking swimming hidden spots – top nature island Greece.
Crete	Biodiversity hotspot Samaria Gorge National Park famous singular ecosystems dozens endemic species shelter famous Cretan Agrimi Goat endemic plants Zelkova abelicea Bupleurum kakiskalae Agrimi most important endemic seriously threatened mammal gorge over 450 species plants 70 endemic.
Kefalonia	Mount Ainos National Park only national park situated on Greek Island houses heart of Kefalonia biodiversity single endemic species fir Abies Cephalonica grows 600-1600m dense forests endemic Kefalonian fir species unique region rugged limestone steep slopes deep ravines only Greek island to boast national park rich biodiversity two-thirds park flora included EU Natura 2000.
Alonissos	National Marine Park of Alonissos first marine park established Greece 1992 largest protected marine area Europe most important nature reserves Mediterranean monk seal most endangered mammals world Audouin's gulls European shags monk seals only hundred individuals remain Mediterranean.
Zakynthos	Dream destination for nature and wildlife lovers Caretta caretta loggerhead turtle nesting 3000 nests Gerakas Laganas National Marine Park – turtle nature island.
Lesbos	UNESCO Global Geopark Petrified Forest 20 million years old Kalloni Gulf wetlands flamingos 5000 flamingos 1200 plant species – geopark nature.
Naxos	Mount Zeus 1004m highest Cyclades endemic flora cedar dunes Plaka Alyki wetlands – mountain nature Cyclades best.
Andros	1000 plant species waterfalls Menites Pythara Achla river forests greenest Cycladic nature lovers water.
Ikaria	Ranti Forest Natura 2000 ancient oak 1200 plant species thermal springs nature wild.
Karpathos	Saria Natura 2000 wild north Olympos endemic birds Eleonora's falcon monk seal 200 plant species pristine Dodecanese nature.
Gavdos	Southernmost Europe cedar forest 300 trees endemic – remote nature southernmost 34.8N.
Chrissi	Cedar forest Juniperus macrocarpa 7000 trees 350 years old endemic – cedar nature south Crete.
Kastellorizo	Marine caves Blue Grotto monk seal Eleonora's falcon 120 plant species – remote southeast nature.
Rhodes	Valley of Butterflies Petaloudes Panaxia quadripunctaria 1000 butterflies Prasonisi wetlands – butterfly nature island.
Kasos	200 plant species Eleonora's falcon breeding cliffs – pristine south Dodecanese nature.
Strongyli	Migratory birds stopover easternmost Greece Eleonora's falcon – bird nature.
Ro	Seabird reserve near Kastellorizo Audouin's gull – bird nature.
Kos	Plaka forest peacocks wetland Tigaki Alyki flamingos 2000 flamingos – forest nature Dodecanese.
Symi	150 plant species pine forest Pedi wetlands – forest nature near Rhodes.
Chalki	Natura 2000 seabird cliffs Eleonora's falcon – bird nature.
Tilos	1500 plant species dwarf elephants paleontological park Eleonora's falcon reserve – elephant nature.
Nisyros	Volcano crater 300m wide active hydrothermal 150 plant species endemic – volcano nature Dodecanese best.
Koufonisi	Cedar dunes seal caves monk seal – dune nature Cyclades.
Chios	Mastic villages Natura 2000 Mount Pelineo forest flamingos Nagos wetlands 800 plant species.
Samos	Mount Kerkis 1433m gorge Potami waterfalls 1200 plant species flamingos wetlands.
Fournoi	250 plant species monk seal breeding caves – seal nature.
Patmos	200 plant species wetlands Psili Ammos – wetland nature Dodecanese.
Leipsoi	150 plant species seabird cliffs – bird nature.
Leros	Wetlands Alinda Diporou 200 plant species – wetland nature Dodecanese.
Kalymnos	Vathy fjord endemic Kalymnian flora climbing cliffs – fjord nature.
Astypalaia	Butterfly shape 250 plant species Eleonora's falcon – butterfly nature.
Thassos	Mount Ipsario 1208m pine forest waterfalls Giola lagoon marble – greenest north Aegean nature.
Lemnos	Alyki salt lakes flamingos 5000 flamingos wetlands Natura 2000 – flamingo nature.
Santorini	Caldera volcanic Nea Kameni crater 130m nature volcanic – volcanic nature Cyclades.
Paros	Environmental Park 800 acres butterflies 300 plant species wetlands – park nature.
Ios	200 plant species wetlands Magganari – wetland nature.
Milos	Volcanic Sarakiniko Kleftiko caves endemic Milos viper Macrovipera schweizeri – viper nature.
Anafi	Monolith Kalamos 460m endemic flora 200 species – monolith nature.
Folegandros	200 plant species cliff habitat Eleonora's falcon – cliff nature.
Kimolos	150 plant species chalk cliffs wetlands – chalk nature.
Schinoussa	100 plant species wetlands – wetland nature Small Cyclades.
Donousa	100 plant species cave Fokospilia seal – seal nature Small Cyclades.
Irakleia	100 plant species seal caves – seal nature Small Cyclades.
Antiparos	Cave Antiparos stalactites 100 plant species wetlands – cave nature.
Elafonisos	Cedar dunes Natura 2000 loggerhead turtle Simos double beach – dune nature south Peloponnese.
Kythira	Mylopotamos waterfall forest endemic flora 500 species migratory birds – waterfall nature.
Antikythera	Migratory bird station 250 bird species Eleonora's falcon – bird station nature.
Corfu	Korission Lagoon Natura 2000 cedar dunes orchids 40 orchid species – orchid nature island.
Sapientza	Strict reserve forest 1000 year old strawberry trees monk seal – reserve nature.

Best Greek islands for Nature Lovers are Crete, Zakynthos, Corfu, Naxos and Alonissos — wild not whitewashed

Best Greek islands for nature lovers are not the party Cyclades — they are the green and wild ones. Crete is top — Samaria Gorge 16km longest Europe, White Mountains Lefka Ori, palm forest Vai, Balos lagoon, hiking E4 trail, plus year-round nature. Zakynthos is second — sea turtle Caretta caretta nesting Laganas, Blue Caves, Keri cliffs, pine forest interior, photo from every angle wild.

Corfu is the greenest Ionian — olive groves 4 million trees, Corfu Trail 220km north to south, waterfalls Nymfes, Erimitis wetlands, Mount Pantokrator. Naxos is Cyclades nature exception — Mount Zeus 1004m highest Cyclades, fertile valleys, cedar forest Alyko, hiking villages Apiranthos to Filoti, beaches untouched east coast. Alonissos is the marine park island — National Marine Park of Alonissos and Northern Sporades largest marine protected area Europe, monk seal Monachus monachus, uninhabited islets, pine forest to sea.

These five are consistently best for nature — hiking, wildlife, flora, not just beach.

Nature ranking — why these win for hikers, wildlife and green

Guide nuance: Crete wins for diversity — gorges Samaria Imbros, gorges south, plateaus Lasithi Omalos, forests palm cedar oak, plus south coast wild Asterousia. Zakynthos wins for wildlife — turtle nesting May to August, Keri Lake wetlands, Marathonisi Turtle Island, cliffs 300m. Corfu wins for green — wettest Ionian so lush all year, Korission Lake dunes, olive press history, flora 40+ orchid species.

Naxos wins for mountain nature in Cyclades — often Cyclades are arid but Naxos has rivers, springs, valleys, Mount Zeus trail, plus Cycladic terraces and Kitron citron groves. Alonissos wins for pure untouched — no airport, no big resorts, marine park, monk seal watching, dive sites, forests, only 3 villages, island feels like Greece 40 years ago. Also mention Ikaria — wild foraging, thermal springs, forest hiking, Ikarian diet longevity, and Milos for geology.

So best Greek islands for nature lovers order: Crete for gorges mountains and everything, Zakynthos for turtles cliffs and sea caves, Corfu for greenest hiking, Naxos for mountain Cyclades, Alonissos for marine park and seals, Ikaria for wild and thermal. Pick Crete if you want big nature, Alonissos if you want quiet nature, Zakynthos if you want wildlife.

Warmest Greek island is Crete south coast but hottest island in Greece debate is Karpathos — Rhodes for long season

If you search warmest greek island or warmest island in greece, the answer depends on month. Warmest greek islands year-round are Crete, Rhodes, Karpathos — southernmost near Libyan Sea bakingly hot. July temperatures Crete average balmy 26ºC, Rhodes weather hottest month July average daily maximum 30C average low 24C, July Rhodes 29°/25° August 30°/25° September 28°/24° perfect, June 26°/22° perfect, October 24°/21° perfect. Temperature in rhodes in September still 28°/24° 1 rainy day 29 sunny hours perfect.

For hottest greek island or hottest greek islands list, Karpathos located between Crete and Rhodes actually has highest temperatures all Greek Islands. Southernmost islands near Libyan Sea like Crete can get bakingly hot — July temperatures Crete average 26ºC Karpathos Rhodes Zakynthos probably hottest Ionian Greece can also see very high July temperatures. Hottest greek island in july is Crete daytime averages both July August 32ºC expect some days much hotter, sea warmest August early September. Hottest island in Greece peak summer July August is when Crete experiences hottest temperatures mid-July mid-August consistently high sea warmest.

This is for you if you want hottest greek island in september — it is Rhodes 28° and Crete 27° both ideal sunny shoulder season May September October beaches empty schoolkids.

Why Rhodes weather wins shoulder season and Karpathos wins peak heat

Guide nuance: warmest island in greece winter is Agios Nikolaos on Crete with average winter sunshine 261+ hours average winter temperature 16.4C per Holidu, warmest Greek destination. Rhodes weather never drops below freezing winter temperatures rarely drop between 5 or 6 degrees Celsius 1 month either side July August very tolerable. Warmest part Rhodes Lindos Paul’s Bay warmest spot island often temperature can be up to 10 degrees higher than Rhodes Town. Rhodes has mediterranean climate hot dry summers mild winters if enjoy hot perfect sunny days best time visit Rhodes between June September hottest month July average daily maximum 30C low 24C hottest month Rhodes July average temperature 26°C 79°F coldest January 12°C 54°F most sunshine 12 hours August.

For hottest greek island in july search, answer Crete 32ºC daytime July August, Zakynthos probably hottest Ionian, Rhodes 29° July, Karpathos highest. For warmest greek islands list: Crete, Rhodes, Karpathos, Rhodes weather September 2026 28°/24° 1 rainy day 29 hours perfect, warmest weather Crete all Greek islands between late May early October sunny hot water perfect swimming water temperature heats throughout summer warmest August early September. Best time go Greece islands Rhodes Crete ideal sunny shoulder season May September October. 7 Best Greek Islands visit September Mykonos Paros Kos Crete Rhodes — all warm. So hottest greek island in september still Rhodes 28° and Crete 27° — Rhodes wins for long hot season.

Sources

https://www.weather25.com/europe/greece/rhodes | June 26°/22° 0 30 0 Perfect July 29°/25° 0 31 0 Good August 30°/25° 0 31 0 Good September 28°/24° 1 29 0 Perfect October 24°/21° 3 28 0 Perfect
https://thetravel.com/what-to-expect-greece-summer/ | southernmost islands near Libyan Sea like Crete can get bakingly hot July temperatures Crete average balmy 26ºC Karpathos Rhodes Zakynthos probably hottest Ionian Greece can also see very high July temperatures
https://studycountry.com/which-is-hotter-crete-or-rhodes | Rhodes mediterranean climate hot dry summers mild winters best time visit Rhodes between June September hottest month year July average daily maximum 30 C average low 24 C | July hottest month Rhodes average temperature 26°C coldest January 12°C most sunshine 12 August | warmest part Rhodes Paul’s Bay Lindos warmest spot island often temperature can be up to 10 degrees higher than Rhodes town
https://studycountry.com/which-part-of-crete-is-warmest | warmest Greek destination according Holidu Agios Nikolaos on Crete average winter sunshine 261+ hours average winter temperature 16.4C | Karpathos Located between Crete Rhodes island actually has highest temperatures all Greek Islands | hottest period Crete usually mid-July mid-August temperatures consistently high sea warmest | warmest weather Crete all Greek islands between late May early October sunny hot water perfect swimming
https://www.eboots.co.uk/is-rhodes-hot-in-late-september | winter temperatures rarely drop between 5 or 6 degrees Celsius never drops below freezing 1 month either side July August very tolerable temperatures | 7 Best Greek Islands Visit September Mykonos Paros Kos Crete Rhodes | Islands Rhodes Crete ideal sunny shoulder season May September October

https://sworld.co.uk/samothrace-island/ | Samothrace – biodiversity unique ecosystem over 1200 plant species some endemic paradise for nature lovers and hikers
https://www.tripadvisor.co.nz/Attraction_Review-g315852-d2190330-Reviews-Fonias_Gorge-Samothraki_Northeast_Aegean_Islands.html | Samothraki – From point of view of nature Samothraki is known all over Greece for Mount Saos and Vathres water ponds unique for Aegean island
https://voyazure.com/samothrace-greece-wild-island-waterfalls-natural-pools/ | Samothrace – rare combination mountains forests waterfalls sea makes Samothrace different world magic of famous Vathres natural pools defines trip
https://www.greeknetwork.gr/samothrace-nature-lovers/ | Samothrace – Fonias Gorge famous stunning cascades natural pools hike breathtaking views wild unspoiled landscape haven for adventurers trekking swimming hidden spots nature lovers
https://www.worldwildschooling.com/12-greek-islands-unique-wildlife-nature-reserves/ | Crete – largest Greek islands biodiversity hotspot varied landscapes Samaria Gorge National Park most famous natural attractions
https://whc.unesco.org/en/tentativelists/5860/ | Samaria Gorge National Park UNESCO – There isolated from human presence singular ecosystems evolved dozens endemic species shelter famous Cretan Agrimi Goat Bearded Vulture Golden Eagle Cretan Wildcat endemic plants Zelkova abelicea Bupleurum kakiskalae
https://webarchive.unesco.org/web/20200928160005/http://www.unesco.org/new/en/natural-sciences/environment/ecological-sciences/biosphere-reserves/europe-north-america/greece/gorge-of-samaria/ | Gorge of Samaria Biosphere Reserve – southwestern coast Crete mountainous limestone famous deep narrow Samaria Gorge typical Mediterranean fauna endemic species wild goat Capra aegagrus cretensis
https://samaria.gr/the-university-of-twente-for-the-wild-goats-of-samaria-gorge/ | Samaria Gorge – Cretan Capricorn endemic Western Crete endangered Agrimi most important endemic seriously threatened mammal Greece Cretan Capricorn Capra aegagrus cretica
https://allovergreece.com/samaria-national-park | Samaria National Park – rich flora fauna gorge over 450 species plants 70 endemic diktamos evenos ambelitsia Cretan pine Pinus brutia cretica
https://earthsky.org/earth/mount-ainos-national-park-kefalonia-greece/ | Mount Ainos National Park – located Kefalonia Island Ionian Sea only national park situated on Greek Island stretches 3000 hectares Mt Ainos declared national park 1962 houses heart Kefalonia biodiversity single endemic species fir Abies Cephalonica grows 600-1600 metres
https://www.national-parks.org/mount-ainos-national-park/ | Mount Ainos National Park – covers 11.2 sq miles dominated Mount Ainos highest peak 5341 feet remarkable protected areas distinguished dense forests endemic Kefalonian fir Abies cephalonica species unique region rugged limestone steep slopes deep ravines
https://kefaloniageopark.gr/en/aenos-mountain/ | Aenos Cephalonia – Due to Cephalonian Fir Tree Abies cephalonica rare endemic flora Aenos included EU Natura 2000 Network GR 22200002
https://www.yachtcharterfleet.com/charter/best-greek-islands.htm | Yacht Charter Fleet – only Greek island to boast national park rich biodiversity indigenous fir species makes up two-thirds park abundant flora nature-loving charter serenity
https://www.viamichelin.com/tourism/alonissos-37005/national_marine_park_of_alonissos-4_1 | National Marine Park Alonissos – four smaller islands Pelagos Gioura Psathoura Piperi make up national marine park Visitors chance see Audouin’s gulls European shags monk seals only around hundred individuals remain Mediterranean
https://www.alonissos.gr/en/history-marine-park | Alonissos Marine Park – National Marine Park Alonissos Northern Sporades first marine park established Greece Presidential Decree 1992 largest protected marine area Europe most important nature reserves Mediterranean monk seal most endangered mammals world
https://www.worldwildschooling.com/these-greek-islands-are-teeming-with-unique-wildlife/ | Zakynthos – Located Ionian Sea west coast Greece Zakynthos dream destination for nature and wildlife lovers

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Last Updated on September 9, 2026 by admin