By day they are some of the most popular scenic areas in and around Bristol.
But by night they enjoy a different form of popularity, as dogging hotspots.
Lay-bys, car parks and even railway stations appear on a list of 29 sites compiled by website Swinging Heaven.
READ MORE: Locals battle for beauty spot that's a magnet for dogging
From underneath Weston's pier to pub car parks, it seems any place where there is a dark secluded corner could end up as a venue for sexual exhibitionists and voyeurs.
For those not au fait with the activity, the website gives a brief explanation.
It states: "Dogging is a predominantly British activity that involves outdoor exhibitionism in car-parks, wooded areas and the like.
"The term dogging originated in the early Seventies to describe men who spied on couples having sex outdoors.
"These men would 'dog' the couples' every move in an effort to watch them. When the swinging scene discovered that open-air sex has its own special thrill they began meeting in car parks, and the doggers found a new and rich supply of voyeuristic fun.
"Moreover, the doggers soon realised that these couples were actively encouraging them to watch, even performing for them, and sometimes allowing them to join in."
Here are the dogging spots listed in and around Bristol, with a few of the reviews.
Abbots Pool
"Quiet and the best action in the woods."
Ashton Court park
"Day time only….on a nice day and there's plenty about."
Aust
"Old Passage Road near the dual carriageway end. Plenty of sheltered woods and lots of activity. Mainly bi or gay."
"Great bi and gay action, sometimes the odd lady there which is great! Recommend it to all!"
A46 Bath from M4, Gloucestershire (Tormarton)
"Gay action but mainly couples and single ladies."
Nailsea & Backwell Station
Birnbeck pier car park, Weston-super-Mare
"Can be some good action down there in the night time."
Bleadon Hill, Weston-super-Mare
Talking of the layby, one review states: "Left hand side very open but lots of activity in the after dark hours."
Boat club, Burnham-on-Sea
"Women walk along the path in sexy gear giving a flash."
Brent Road, Burnham-on-Sea
Car park, Keynsham
The car park is off the A4175 according to the website.
"New area but some action seen could be popular. Caution height restriction."
Castle Farm Road, Hanham
"Mainly gay and tvs (transvestites)."
Clifton Down
Apparently Ladies Mile is the main road for dogging, with the Sea Walls popular for gay cruising. Meanwhile Ivywell Road, next to the edge of Sneyd Park, is described as having "young couples and dirty old men" that seem to visit most.
Conham Vale, Hanham
"Gay and straight action, sometimes TVs."
Grand Pier, Weston-super-Mare
"Along the beach, mainly weekends after clubs kick out. Good action goes on in the sand along the pier."
Lansdown Park and Ride car park
Apparently this is where those fed up with the overcrowding of Tog Hill go. Review states: "Action around the closed changing rooms to be found. Don't be scared (It is dark)."
Martson Road, Frome
According to the website, this layby is secluded both day and night.
Nap Woods, Radstock
"Good on weekends."
Odd Down Football Club car park
"Great for activities after midnight."
Old Plough pub car park
According to the website, after closing time on Westons Way in Kingswood, "lots of couples" can be seen.
Redland Station
"Great place for gay dogging late at night."
Sand Bay, Weston-super-Mare
"For fun and pleasure, best is at the end of the road."
Somervale Road, Radstock
Instructions tell you to turn down a secluded lane and a "fair few cars can get down there". The review adds: "Nice amount of space to turn around I have seen a few decent nights down."
Staple Hill, Bristol
"Very interesting, secluded and can be busy worth a try from 10pm onwards."
Swineford picnic area, near Bitton
"Out of the way, good after 9pm, have had many good nights here."
Tog Hill, near Wick
"With lots of single men looking for couples. Sexy lady loves to perform for her husband, some sat evenings. Gorgeous boobs."
Tytherington, Frome
"Had many a good time down there."
Victoria Park, Fishponds
Somewhat of a mystery, there isn't much information on this one.
Victoria Park, Frome
Apparently it is dark and full of hiding places near to the bandstand and bowling club.
Wharf Lane, Portishead
"Best late at night around 10pm. Attracts all sorts."
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