The cost of a walking safari in Tanzania can vary depending on several factors, such as the duration of the safari, the location, the level of luxury, and the tour operator you choose. Generally, a walking safari in Tanzania can cost anywhere from $300 to $1000 per day per person.

This cost usually includes accommodation, meals, park fees, guided walks, and other activities. However, it's important to note that some additional costs may not be included, such as transportation to and from the starting point of the safari, personal expenses, and tips.

To get a more accurate estimate of the cost of a walking safari in Tanzania, it's best to research different tour operators and compare their packages and prices. Additionally, you can also consider reaching out to a local travel agent who can help you customize a safari package based on your preferences and budget