With the summer holidays upon us, the weather is more pleasant by the day.

With the ever improving conditions comes opportunities to enjoy the outside world, and all that nature has to offer.

Hertfordshire is blessed with a wide range of parks and green spaces to enjoy.

With that in mind, we've put together a list of some of Hertfordshire's best parks to visit, with a little help from TripAdvisor.

1. Verulamium Park, St Albans

The Comet: Verulamium Park is the number one rated park in Hertfordshire.Verulamium Park is the number one rated park in Hertfordshire. (Image: Loz Pycock on Creative Commons)

Featuring a Roman mosaic, ruins of a historic city wall, "Britain's oldest pub" and a lake, Verulamium Park is TripAdvisor's best-rated park in Hertfordshire.

The St Albans location has a 4.5 star rating on the review website, with 1,020 reviewers in total.

One reviewer, Barry S, commented: "The park and lake are always good value, and the recent arrival of a couple of more than friendly kingfishers has enhanced the experience."

2. Cassiobury Park, Watford

The Comet: Cassiobury Park is second according to TripAdvisor.Cassiobury Park is second according to TripAdvisor. (Image: Cathy Cox on Creative Commons)

Watford's Cassiobury Park is a close second according to TripAdvisor, with a 4.5 star rating but just 835 reviews.

The Green Flag award winning location holds a variety of events throughout the year.

Christine K wrote: "What a great park!

"We called here as we were waiting to go to Warner Brothers Studios at our allotted time, and we had a morning to pass on."

3. Aldenham Country Park, near Elstree

The Comet: Aldenham Country Park has a four star rating on TripAdvisor.Aldenham Country Park has a four star rating on TripAdvisor. (Image: Loz Pycock on Creative Commons)

Aldenham Country Park has a four star rating on TripAdvisor, with 909 reviewers.

The location near Elstree features 100 acres of countryside.

NBLondon wrote: "I'm glad that Aldenham County Park is there.

"It's great for kids, it has a little 'farm experience' (extra cost), there's even glamping now."

4. Fairlands Valley Park, Stevenage

The Comet: Fairlands Valley Park has been described as an excellent facility.Fairlands Valley Park has been described as an excellent facility. (Image: Peter O'Connor on Creative Commons)

Fairlands Valley Park is located in Stevenage, and has a variety of attractions within its boundaries.

The location has a higher rating than Aldenham Country Park, with 4.5 stars on TripAdvisor, but only has 311 reviewers in total.

Nelgumford commented: "Fairlands Valley park is an excellent facility in the middle of Stevenage...

"...We went for a picnic, under a row of trees, on a very hot and sunny June day and it was brilliant."

5. Rickmansworth Aquadrome, Rickmansworth

The Comet: Rickmansworth Aquadrome has a 4.5 star rating.Rickmansworth Aquadrome has a 4.5 star rating. (Image: Bob McCaffrey on Creative Commons)

Rickmansworth Aquadrome features a café, play area and two large lakes.

The location has a 4.5 star rating and 217 reviewers on TripAdvisor.

Kevin Rayment commented: "Had a wonderful walk with my daughter at the Aquadrome.

"There was a lot of wildlife to see and also water-skiers."

6. Gadebridge Park, Hemel Hempstead

The Comet: Gadebridge Park is located in Hemel Hempstead.Gadebridge Park is located in Hemel Hempstead. (Image: Nigel Cox)

Gadebridge Park in Hemel Hempstead also has a 4.5 star rating, with 201 reviewers.

Of the location's reviewers, 96 gave the space TripAdvisor's full five stars.

Jodie C said: "Simply lovely.

"What a lovely find!

"There is so much open space (many dog walkers) as well as a two playgrounds, a small skatepark and even a splash fountain."

7. Leavesden Country Park, Abbots Langley

The Comet: Leavesden Country Park has been described as a great way to spend an hour walking.Leavesden Country Park has been described as a great way to spend an hour walking. (Image: Google Maps)

Lastly, Leavesden Country Park has a five star rating, but only 19 reviewers on TripAdvisor.

The Abbots Langley location covers 27 hectares of land with a football pitch, wildlife areas and tennis courts all present.

Mike D commented: "Now a favourite place to visit for an hour or so. Plenty of sculptures and various places to access it from.

"Able to entend the walk into the countryside."