Khao Chalak is a high mountain in Bang Phra Subdistrict, Si Racha District. Chonburi Province Travel time from Bangkok 1.30 - 2 hours. 

It is the most popular hill training site for runners who living in Bangkok, becasuse it is convenient to travel especially in weekend.

The path to the hill, starts from the uphill point at the back of the Bang Phra Reservoir. Run along steep road to the end of the road
until reach radio telecommunication broadcasting at the top of mountain

A route through varied scenery including riverside, heathland, woodland and downland. Some of the highlights along the route include visiting the delightful town of Wareham surrounded by the Saxon Wareham Walls. Then the landscape and its wildlife completely changes across Stoborough Heath and Creech Heath to Corfe Castle - find out about the village's long and eventful history dating back well before the castle itself. Enjoy the magnificent views from the chalk ridge of Ballard Down across Poole Harbour on your way to Old Harry rock or Swanage.

The Celandine Route is a London trail following the river Pinn from Pinner to the Grand Union Canal, through green spaces, grassland, woods and meadows. It was named after the lesser Celandine, a plant growing in woodland with heart-shaped leaves and flowering in early spring.