← Back✦ Historic site

Flint mines, linear boundary and two bowl barrows at Martin's Clump, Porton Down

✦ Ancient woodland11 ha

📷 Roddy Urquhart · Geograph · CC BY-SA 2.0

Plan your visit

BirdsAncientWildlife

Free entryDogs welcome11 ha

Getting here

51.14917, -1.64261

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Visiting this summer

Seasonal nature notes and what to look for now

▾

🐦52+ species recorded in this area — summer evenings are best for activity; watch for Corn Bunting and Yellowhammer
🌳Ancient woodland 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

🐦52+ species recorded in this area — summer evenings are best for activity; watch for Corn Bunting and Yellowhammer
🌳Ancient woodland is at its best in summer here
🐕Dogs welcome — bring water in summer; the site has enough space to find shade on hot days

Best for

8 activities

Bird watching

Very strong match

Free

Birds — Corn Bunting, Yellowhammer, Goldfinch +49 more · last seen 2025; Ancient woodland — owls, woodpeckers, warblers

Ancient woodland

Very strong match

Free

Ancient woodland — continuous woodland since before 1600

Wildlife

Strong match

Free

Birds — Corn Bunting, Yellowhammer, Goldfinch +49 more · last seen 2025; Lowland calcareous grassland priority habitat

Bluebell walks

Strong match

Free

Ancient woodland — native bluebell habitat

Insect spotting

Strong match

Free

Chalk and limestone grassland — chalkhill blue, adonis blue and rare moths; Insects — Meadow Brown, Common Blue, Small Heath +31 more · last seen 2024

Seasonal nature

Strong match

Free

Ancient woodland — bluebells, fungi and autumn colour

Trails nearby

Within roughly 5 km

🚵

Mountain biking

▾

1 signed route nearby

Signed route nearby

Danebury Off-Road Cycle TrailMountain bike route▾

A strenuous 24 miles that takes in some of Hampshire’s finest scenery. This cycle route joins easy sections of the Test Way with the steeper gradients of the Broughton Downs.

Named routeListed length 24 miHampshire off Road cycle trails

About this historic site

Scheduled Monument

Wildlife to spot

10,189 records from NBN Atlas

▾

Wildlife to spot

10,189 records · NBN Atlas

🐦

Birds52 species

spring

2025

Corn Bunting · Yellowhammer · Goldfinch · Whitethroat · Wren

+47 more species

All 52 birds recorded nearby (NBN Atlas)

Corn BuntingEmberiza calandra
YellowhammerEmberiza citrinella
GoldfinchCarduelis carduelis
WhitethroatCurruca communis
WrenTroglodytes troglodytes
SkylarkAlauda arvensis
StarlingSturnus vulgaris2023
Garden WarblerSylvia borin
RookCorvus frugilegus
WoodpigeonColumba palumbus
Blue TitCyanistes caeruleus
BlackbirdTurdus merula
ChaffinchFringilla coelebs
Carrion CrowCorvus corone
GreenfinchChloris chloris2024
Grey PartridgePerdix perdix2024
RobinErithacus rubecula2023
Long-tailed TitAegithalos caudatus2023
BlackcapSylvia atricapilla2023
ChiffchaffPhylloscopus collybita2023
SwallowHirundo rustica
LinnetLinaria cannabina
KestrelFalco tinnunculus
JayGarrulus glandarius2023
DunnockPrunella modularis2023
MagpiePica pica2023
JackdawColoeus monedula2023
SwiftApus apus2023
Song ThrushTurdus philomelos2023
PheasantPhasianus colchicus
Stock DoveColumba oenas2024
GoldcrestRegulus regulus2023
RavenCorvus corax2023
Lesser Black-backed GullLarus fuscus2023
House MartinDelichon urbicum2023
Mistle ThrushTurdus viscivorus2023
Marsh TitPoecile palustris2023
Meadow PipitAnthus pratensis2023
Spotted FlycatcherMuscicapa striata2023
Wood WarblerPhylloscopus sibilatrix2023
Willow WarblerPhylloscopus trochilus2023
StonechatSaxicola rubicola2023
Lesser WhitethroatCurruca curruca2023
TreecreeperCerthia familiaris2023
NuthatchSitta europaea2023
Coal TitPeriparus ater2023
Great TitParus major2023
BullfinchPyrrhula pyrrhula2023
SiskinSpinus spinus2023
Tree PipitAnthus trivialis2023
House SparrowPasser domesticus2023
Collared DoveStreptopelia decaocto2023

🦌

Mammals3 species

spring

2023

Brown Hare · Fallow Deer · Red Fox

🐝

Insects34 species

summer

2024

Meadow Brown · Common Blue · Small Heath · Brimstone · Brown Argus

+29 more species

All 34 insects recorded nearby (NBN Atlas)

Meadow BrownManiola jurtina
Common BluePolyommatus icarus
Small HeathCoenonympha pamphilus
BrimstoneGonepteryx rhamni
Brown ArgusAricia agestis
Marbled WhiteMelanargia galathea

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

10,189 records · NBN Atlas

🐦

Birds52 species

spring

2025

Corn Bunting · Yellowhammer · Goldfinch · Whitethroat · Wren

+47 more species

All 52 birds recorded nearby (NBN Atlas)

Corn BuntingEmberiza calandra
YellowhammerEmberiza citrinella
GoldfinchCarduelis carduelis
WhitethroatCurruca communis
WrenTroglodytes troglodytes
SkylarkAlauda arvensis
StarlingSturnus vulgaris2023
Garden WarblerSylvia borin
RookCorvus frugilegus
WoodpigeonColumba palumbus
Blue TitCyanistes caeruleus
BlackbirdTurdus merula
ChaffinchFringilla coelebs
Carrion CrowCorvus corone
GreenfinchChloris chloris2024
Grey PartridgePerdix perdix2024
RobinErithacus rubecula2023
Long-tailed TitAegithalos caudatus2023
BlackcapSylvia atricapilla2023
ChiffchaffPhylloscopus collybita2023
SwallowHirundo rustica
LinnetLinaria cannabina
KestrelFalco tinnunculus
JayGarrulus glandarius2023
DunnockPrunella modularis2023
MagpiePica pica2023
JackdawColoeus monedula2023
SwiftApus apus2023
Song ThrushTurdus philomelos2023
PheasantPhasianus colchicus
Stock DoveColumba oenas2024
GoldcrestRegulus regulus2023
RavenCorvus corax2023
Lesser Black-backed GullLarus fuscus2023
House MartinDelichon urbicum2023
Mistle ThrushTurdus viscivorus2023
Marsh TitPoecile palustris2023
Meadow PipitAnthus pratensis2023
Spotted FlycatcherMuscicapa striata2023
Wood WarblerPhylloscopus sibilatrix2023
Willow WarblerPhylloscopus trochilus2023
StonechatSaxicola rubicola2023
Lesser WhitethroatCurruca curruca2023
TreecreeperCerthia familiaris2023
NuthatchSitta europaea2023
Coal TitPeriparus ater2023
Great TitParus major2023
BullfinchPyrrhula pyrrhula2023
SiskinSpinus spinus2023
Tree PipitAnthus trivialis2023
House SparrowPasser domesticus2023
Collared DoveStreptopelia decaocto2023

🦌

Mammals3 species

spring

2023

Brown Hare · Fallow Deer · Red Fox

🐝

Insects34 species

summer

2024

Meadow Brown · Common Blue · Small Heath · Brimstone · Brown Argus

+29 more species

All 34 insects recorded nearby (NBN Atlas)

Meadow BrownManiola jurtina
Common BluePolyommatus icarus
Small HeathCoenonympha pamphilus
BrimstoneGonepteryx rhamni
Brown ArgusAricia agestis
Marbled WhiteMelanargia galathea

Species observations from the last 10 years via NBN Atlas

Wildlife to spot

Photos

15 photos from nearby open sources

▾

📷 Roddy Urquhart · Geograph · CC BY-SA 2.0

Martin's Clump

1 / 15

Photos

📷 Roddy Urquhart · Geograph · CC BY-SA 2.0

Martin's Clump

1 / 15

Events & activities nearby

Switch provider to compare local events, tours and bookable activities.

Bookable tours

✦ AncientFree entry🐶 Dogs

Good to know

£Free to visit — no entry charge
🐕Dogs welcome
🌿Ancient woodland — rare wildlife habitat

Weather for this location

Next 14 days

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Nearby places

Useful places within 5 km

✦WILBURY HOUSEHistoric site3.8 km→✦Barrow cemetery 730m north of Hampshire GapHistoric site2.1 km→⛪St Peter's ChurchReligious grounds3.4 km→⛪St Andrew's ChurchReligious grounds3.6 km→🌱Wilbury ParkUrban park3.7 km→⛪St Nicholas's ChurchReligious grounds4.3 km→