Gorilla trekking can be physically demanding, and the difficulty level can vary depending on several factors, including the location of the trek, weather conditions, your physical fitness, and the specific gorilla group you are tracking. Here are some aspects to consider regarding the difficulty of gorilla trekking:

Hiking Terrain: Trekking to see gorillas often involves hiking through dense forests, which can be steep, muddy, and challenging. The terrain can vary from relatively easy to very difficult, depending on the location.

Altitude: Depending on the location, you might be trekking at high altitudes, which can be physically demanding, especially if you're not acclimated to high altitudes.

Duration: The duration of the trek can vary from a few hours to a full day, depending on the location of the gorilla group you're visiting and their current location.

Weather: Weather conditions can change rapidly in forested areas. Be prepared for rain, mud, and varying temperatures, which can add to the physical challenge of the trek.

Physical Fitness: Your level of physical fitness plays a significant role in how challenging you find the trek. Being in good physical shape can make the experience more manageable.

Age and Health: The trek can be more challenging for older individuals or those with pre-existing health conditions. It's important to consult with a healthcare professional if you have any concerns about your ability to participate.

Guide and Porter Assistance: You'll typically have experienced guides and the option to hire porters to assist you during the trek. Porters can carry your gear and provide physical support, which can make the trek more manageable.

Group Size: The size of your trekking group can affect the difficulty. Smaller groups may have an easier time navigating the forest and getting closer to the gorillas.

Permit Availability: Depending on the location and the number of available permits, you may need to book well in advance, which could affect your choice of dates and, subsequently, the weather conditions during your trek.

While gorilla trekking can indeed be physically demanding, it's important to remember that the challenge is part of what makes the experience so rewarding. Seeing these magnificent creatures in their natural habitat is a once-in-a-lifetime opportunity for many, and the physical effort is often well worth the incredible encounter with the gorillas.

To make your gorilla trekking experience more manageable, ensure you're adequately prepared physically, mentally, and with the right gear. Also, consult with the tour operator or park authorities for specific information about the trek's difficulty level at your chosen location.