Glade
← Back💧 Reservoir

Upper Lliedi Reservoir

40 ha

📷 Alan Richards · Geograph · CC BY-SA 2.0

WildlifeBirdsInsects
Free entryDogs welcome40 ha

Getting here

51.71992, -4.15688

Open directionsv
Google Maps↗Driving directionsApple Maps↗Driving directionsWaze↗Live driving navigationGoogle Transit↗Bus, rail or tramApple Transit↗Bus, rail or tram

Visiting this summer

Seasonal nature notes and what to look for now

  • 🌞Midsummer — dragonfly and damselfly activity peaks along water edges
  • 🐕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

Best for

4 activities

Wildlife

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

Free

Bird watching

Birds — Great Crested Grebe, Blackbird, Robin +77 more · last seen 2025; Birds — Great Crested Grebe, Blackbird, Robin +77 more · last seen 2025

Free

Insect spotting

Insects — Humming-bird Hawk-moth, Comma, Lesser Swallow Prominent +84 more · last seen 2019; Insects — Humming-bird Hawk-moth, Comma, Lesser Swallow Prominent +84 more · last seen 2019

Free

Seasonal nature

Plants — Bluebell, Himalayan Balsam, Swan's-neck Thyme-moss +84 more · last seen 2025; Plants — Bluebell, Himalayan Balsam, Swan's-neck Thyme-moss +84 more · last seen 2025

Free

Trails nearby

Within roughly 5 km
🚶

Walking

3 signed routes nearby

Signed route nearby
Route 36/60Walking route
Named routeRef 36/60Local walking route
St Illtyd's WalkWalking route103 km
Named routeLength 103 kmRegional walking route
Route WCPWalking route
Named routeRef WCPNational walking route
🚴

Cycling

42 signed routes nearby

Signed route nearby
Swiss Valley TrailCycling route
Named routeRef 47National Cycle Network
Llanelli Cycling Trails Route 4 (Pembrey)Cycling route
Named routeRef LCT4Local cycle route
Llanelli Cycling Trails Route 1 (Delta Lakes)Cycling route
Named routeRef LCT1Local cycle route
Llanelli Cycling Trails Route 3 (Swiss Valley)Cycling route
Named routeRef LCT3Local cycle route
Llanelli Cycling Trails Route 2 (Burry Port)Cycling route
Named routeRef LCT2Local cycle route
Llanelli Spinal RouteCycling route
Named routeLocal cycle route

Wildlife to spot

Photos

Cronfa Ddwr Lliedi Uchaf / Upper Lliedi Reservoir

📷 Alan Richards · Geograph · CC BY-SA 2.0

Cronfa Ddwr Lliedi Uchaf / Upper Lliedi Reservoir

1 / 15

Weather for this location

Next 14 days

Loading local forecast…

Nearby places

Useful places within 5 km

🌱Parc HowardUrban park3.4 km→🌱St Alban's ChurchUrban park4 km→🌱St Alban's ChurchUrban park4 km→🌱Spring GardensUrban park4.3 km→🌱Spring GardensUrban park4.3 km→🌱Penyfan ParkUrban park4.7 km→

Own or manage this place?

Claim this listing to keep details accurate, add photos, and highlight what makes it special — free.

Claim this page

Visitor access unverified.We don't yet have confirmed information about walking routes or public access at this reservoir. If you've visited, please help us improve this page.

How was your visit?

How useful was the information on this page?

id: 27f57cb3-8686-4873-8ee8-0912fe3cc873