- Barrio Guaraguas, between Ponce and Adjuntas.1
- Bayamon1
- Bayamón1
- Between Adjuntas and Jayuya1
- Between Cayey and Salinas1
- Between Puerto Hermina and Puete Blanco, NE of Quebradillas.1
- Bo. Cubuy, near Torito Mt., Canóvanas1
- Bo. Rucio, Penuelas1
- Bridge at km 20.6, Morovis-Corozal road1
- Bridge at km 28.4, Rio Grande-Mameyes road1
- CCC Camp "Buena Vista," Maricao; insular forest, S. of Maricao1
- CCC Camp Buena Vista, Maricao Insular Forest1
- CCC Trail #1, Maricao Insular Forest1
- CCC trail #4 from Maricao Insular Forest north to Maricao1
- Cabo Rojo; Sierra Bermeja, Cerro Mariquita1
- Calabash, Conte Morne Range1
- Camp Cienaga Alta Barrio Cubuy, Canóvanas.1
- Caribbean National Forest (El Yunque) Along trail that goes from Hwy. 191 (Northern part) to Mt. Britton observation tower. About 7 min. hike up the trail1
- Caribbean National Forest (El Yunque) Along trail that goes from Hwy. 191 (Northern part) to Mt. Britton observation tower. About 8 min. hike up the trail. By a light gap over a stream1
- Caribbean National Forest (El Yunque). Along trail that goes from Hwy. 191 (Southern part, starting near the picnic area being built in 2005) along the water pipeline1