The Bohorok Park is a small part of 9,000 square kilometers of the Gunung Leuser National Park. This famous park is found in the village of Bukit Lawang in the Langkat regency, some 76 kilometers of 2 hours drive from Medan. For more adventurous types, hire an inflated innertube and raft yaou way down the mild rapids from the top of Bukit Lawang river path. Accommodation with river front views are avaliabel along the river of Bohorok at veri cheap rates.

A 2-hectares camping ground is located half way between the Bukit Lawang village for the Ranger Park Station. It is important that to remember an assistance from an official park ranger must be obtain by campers or visitor who wishes to trek into the jungle in a National Park Reserve. This still hold even if you have already hired guide personal from the village or a travel Agent.

Tertiary limestone carves as well as a pre tertiary Carboniferous formation are found in the Bohorok. A sidestrip from Bohorok for the fit and adventurous leads to Pintit Angin , the "door" of the wind which is a hole in the limistone walls near the village of Batukatak about 5 kilometers upstream from Bohorok. An underground river flows nearby.

Gunung Leuser National Park, where there is a rehabilitation center for Orang utans in Bohorok Bukit Lawang . This center was inaugurated in 1973 by releasing a number of hand raised orang utans back into their natural habitat. The orang utans living here are both Sumatra and Kalimantan origin, Trekking into the jungle visiting the bat caves and river rafting are all interesting activities for visitors.