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Marsworth Reservoir

31 ha

📷 Chris Reynolds · Geograph · CC BY-SA 2.0

Plan your visit

BirdsWildlifeForaging

Free entryDogs welcome31 ha

Getting here

51.81475, -0.66388

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Visiting this summer

Seasonal nature notes and what to look for now

🐦75+ species recorded in this area — summer evenings are best for activity; watch for Tufted Duck and Mallard
🌿Foraging is at its best in summer here
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

🌤️ Visiting this summer

🐦75+ species recorded in this area — summer evenings are best for activity; watch for Tufted Duck and Mallard
🌿Foraging is at its best in summer here
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

Good to know

£Free to visit — no entry charge
🐕Dogs welcome

Parking· Paid

Best for

4 activities

Bird watching

Very strong match

Birds — Tufted Duck, Mallard, Mute Swan +72 more · last seen 2026; Birds — Tufted Duck, Mallard, Mute Swan +72 more · last seen 2026

Free

Wildlife

Very strong match

Multi-group wildlife — Birds, Mammals; Multi-group wildlife — Birds, Mammals

Free

Foraging

Good match

Deciduous woodland — fungi, berries and wild garlic

Varies

Insect spotting

Good match

Insects — Dark-edged Bee-fly · last seen 2026; Insects — Dark-edged Bee-fly · last seen 2026

Free

Trails nearby

Within roughly 5 km

🚶

Walking

28 signed routes nearby

Signed route nearby

The RidgewayWalking route140 km

Named routeRef RWLength 140 kmNational walking route

The Chiltern WayWalking route275 km

A waymarked long-distance footpath in southern England

Named routeRef CWLength 275 kmRegional walking route

Grand Union Canal WalkWalking route

Napton to Coy Carp section

Named routeRegional walking route

Outer Aylesbury RingWalking route

Named routeRegional walking route

Woodland WalkWalking route

Named routeLocal walking route

🚴

Cycling

4 signed routes nearby

Signed route nearby

Chilterns CyclewayCycling route

Named routeRound tripRegional cycle route

Route 5Cycling route

Named routeRef 5Local cycle route

Route 6Cycling route

Named routeRef 6Local cycle route

Ashridge Estate Family Cycle TrailCycling route

Named routeRound tripLocal cycle route

🚵

Mountain biking

1 signed route nearby

Signed route nearby

Icknield Way Cycle TrailMountain bike route226 km

This is the off-road or mountain cycling route of the Icknield Way Trail.

Named routeLength 226 kmRegional cycle route

Wildlife to spot

168,701 records · National Biodiversity Network

Wildlife to spot

168,701 records · National Biodiversity Network

🐦

Birds54 species

winter

2026

Tufted Duck · Gadwall · Mute Swan · Canada Goose · Moorhen +49

Tufted DuckAythya fuligula
GadwallMareca strepera
Mute SwanCygnus olor
Canada GooseBranta canadensis
MoorhenGallinula chloropus
MallardAnas platyrhynchos
CootFulica atra
Great Crested GrebePodiceps cristatus
CormorantPhalacrocorax carbo2025
WoodpigeonColumba palumbus2025
BlackbirdTurdus merula2025
Greylag GooseAnser anser
Black-headed GullChroicocephalus ridibundus
Blue TitCyanistes caeruleus2025
WrenTroglodytes troglodytes2025
Carrion CrowCorvus corone2025
MagpiePica pica2025
DunnockPrunella modularis2025
RobinErithacus rubecula2025
Great TitParus major2025
Grey HeronArdea cinerea2025
RedwingTurdus iliacus2025
Tundra Bean GooseAnser serrirostris2025
ChiffchaffPhylloscopus collybita2025
GoldcrestRegulus regulus2025
LapwingVanellus vanellus
Little GrebeTachybaptus ruficollis
Lesser Black-backed GullLarus fuscus2025
TealAnas crecca2025
Little EgretEgretta garzetta2025
OystercatcherHaematopus ostralegus
Long-tailed TitAegithalos caudatus2025
GoldeneyeBucephala clangula2025
ChaffinchFringilla coelebs2025
PheasantPhasianus colchicus2025
JackdawColoeus monedula2025
BlackcapSylvia atricapilla
Green WoodpeckerPicus viridis
SmewMergellus albellus
SiskinSpinus spinus2025
Red-crested PochardNetta rufina2025
Cetti's WarblerCettia cetti2025
KestrelFalco tinnunculus2025
Common GullLarus canus2025
Pied WagtailMotacilla alba yarrellii2025
Bar-headed GooseAnser indicus2025
FieldfareTurdus pilaris2025
Great Spotted WoodpeckerDendrocopos major2025
SnipeGallinago gallinago2025
Mistle ThrushTurdus viscivorus2025
JayGarrulus glandarius2025
Water RailRallus aquaticus2025
Egyptian GooseAlopochen aegyptiaca2025
StarlingSturnus vulgaris2025

🦌

Mammals2 species

winter

2025

Grey Squirrel · Chinese Water Deer

Grey SquirrelSciurus carolinensis
Chinese Water DeerHydropotes inermis

🐝

Insects1 species

spring

2026

Dark-edged Bee-fly

Dark-edged Bee-flyBombylius major

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

168,701 records · National Biodiversity Network

🐦

Birds54 species

winter

2026

Tufted Duck · Gadwall · Mute Swan · Canada Goose · Moorhen +49

Tufted DuckAythya fuligula
GadwallMareca strepera
Mute SwanCygnus olor
Canada GooseBranta canadensis
MoorhenGallinula chloropus
MallardAnas platyrhynchos
CootFulica atra
Great Crested GrebePodiceps cristatus
CormorantPhalacrocorax carbo2025
WoodpigeonColumba palumbus2025
BlackbirdTurdus merula2025
Greylag GooseAnser anser
Black-headed GullChroicocephalus ridibundus
Blue TitCyanistes caeruleus2025
WrenTroglodytes troglodytes2025
Carrion CrowCorvus corone2025
MagpiePica pica2025
DunnockPrunella modularis2025
RobinErithacus rubecula2025
Great TitParus major2025
Grey HeronArdea cinerea2025
RedwingTurdus iliacus2025
Tundra Bean GooseAnser serrirostris2025
ChiffchaffPhylloscopus collybita2025
GoldcrestRegulus regulus2025
LapwingVanellus vanellus
Little GrebeTachybaptus ruficollis
Lesser Black-backed GullLarus fuscus2025
TealAnas crecca2025
Little EgretEgretta garzetta2025
OystercatcherHaematopus ostralegus
Long-tailed TitAegithalos caudatus2025
GoldeneyeBucephala clangula2025
ChaffinchFringilla coelebs2025
PheasantPhasianus colchicus2025
JackdawColoeus monedula2025
BlackcapSylvia atricapilla
Green WoodpeckerPicus viridis
SmewMergellus albellus
SiskinSpinus spinus2025
Red-crested PochardNetta rufina2025
Cetti's WarblerCettia cetti2025
KestrelFalco tinnunculus2025
Common GullLarus canus2025
Pied WagtailMotacilla alba yarrellii2025
Bar-headed GooseAnser indicus2025
FieldfareTurdus pilaris2025
Great Spotted WoodpeckerDendrocopos major2025
SnipeGallinago gallinago2025
Mistle ThrushTurdus viscivorus2025
JayGarrulus glandarius2025
Water RailRallus aquaticus2025
Egyptian GooseAlopochen aegyptiaca2025
StarlingSturnus vulgaris2025

🦌

Mammals2 species

winter

2025

Grey Squirrel · Chinese Water Deer

Grey SquirrelSciurus carolinensis
Chinese Water DeerHydropotes inermis

🐝

Insects1 species

spring

2026

Dark-edged Bee-fly

Dark-edged Bee-flyBombylius major

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

Photos

📷 Chris Reynolds · Geograph · CC BY-SA 2.0

Marsworth Reservoir and Manor House Farm

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Nearby places

Useful places within 5 km

🌱Spider ParkUrban park2 km→🌱Pond CloseUrban park2 km→✦TRING PARKHistoric site3.3 km→🌱Tring ParkUrban park3.4 km→🌱Aston Clinton ParkUrban park4.4 km→✦Bridgewater MonumentHistoric site4.9 km→

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