The Vogelsberg volcano ring is the great top hiking trail on the Vogelsberg, which circles Europe's largest extinct volcanic area. It runs along beautiful paths through the Vogelsberg Volcanic Region Nature Park, on the edge of the forest, halfway up or with wonderful views. With a length of approx. 119 km, it can be hiked in 6 stages.

https://www.outdooractive.com/de/route/fernwanderweg/lahntal/vulkanring…

https://www.alltrails.com/trail/us/california/newport-beach-back-bay-trail

Newport Beach Back Bay Trail is a 10.5 mile heavily trafficked loop trail located near Newport Beach, California that features beautiful wild flowers and is good for all skill levels. The trail offers a number of activity options and is accessible year-round. Dogs are also able to use this trail but must be kept on leash.