The following story is part of a series based on true stories however some names or details may have been changed to protect people's identities.
While this story could be read as a stand alone story you should read the others in order to get the best from them.
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January 5th
I awoke very early in the morning with one thing on my mind THE CAVE. I had found my flashlight in my car before going to bed and left it in my tent with two plans in mind. One was to catch whoever my mystery fuck was unfortunately she didn't turn up, the second was to go explore the cave.
I took off for my early morning run heading for the cave Maria and I had found the day before. I approached the cave slowly shining my torch in the entrance to make sure it was empty. Maria and I were lucky we stopped where we did about another 4 feet and we would have slid down a bank into a small underground lake. I scooped some water in my hand and tasted it, salty but not quite as salty as the sea so this must be a tidal cave but the sand inside was dry as I entered and the water was warm which was strange there must be another water source. I noticed another passage way to my left and continued exploring. I spent just over an hour exploring but there was nothing cool to report it went up and down a few times with some tight spots and some open areas.
As I was leaving I noticed the tide was almost full now and it was only just lapping at the entrance so that explains it, it must only be the big tides that actually get all the way up to the underground lake but that still didn't explain why it was warm.
I headed back to the house for breakfast and to tell Maria what I found. Maria said there is a small thermal spring in the Forrest but it doesn't produce much. We set off for the spring that morning and found it after a bit of searching. I knew roughly where we were in relation to the cave and knew we were further inland of the underground lake. We dug a small hole around the spring causing a small volume of water to build up, just enough we could put our feet in to appreciate the warm water. After some time we followed the stream leading away from the spring for about 30 feet before it just disappeared into the ground.
Maria and I returned back to the house for lunch and I noticed there were a number of new tents and cars there, great more people for me to forget. I was introduced to a number of new people, cousins, aunts, uncles, friends and friends of friends.
Maria and I took a drive back to the nearest town about three quarters of an hour away to get some supplies. On the way back we stopped in a small secluded rest area, we could hear cars driving past on the main road as we sat on the grass kissing. Maria told me she was extremely horny and would love me to bend her over the picnic table and fuck her but was scared of getting caught. Then an idea struck me I unzipped my fly and fished my cock out of my pants, Maria looked shocked as I stroked myself to full hardness. I motioned for Maria to come sit on my lap facing me, she suddenly worked out what I had in mind. She pulled her knickers off and handed them to me and I stuck them in my pocket. Maria then sank her wet pussy down onto my hard cock her sun dress was long enough that if anyone did come past they wouldn't see anything more than Maria sitting on my lap as we talked.
Maria gently rocked her hips back and forth enjoying the feeling of my cock buried inside her. Maria lifted herself off my cock and turned around then sank back down and impaled herself on my cock. I sat up as best I could and wrapped my arm around her so I could stroke her clit as she rocked on my cock. I could hear her breathing change and felt her pace quicken I knew Maria was about to blow when I heard a car turn off the road and into the gravel car park. I rubbed her clit furiously knowing we only had seconds left before the car would come round the corner to where we were.
Maria exploded. Her whole body shook as the orgasm rocked through her, I quickly removed my hand and straightened her dress wrapping my arms around her just as the car pulled up right beside mine.
Maria sat dead still as we watched the middle aged couple get out of the car. I decided to have a bit of fun and flexed my cock inside her pussy several times. Maria decided two could play that game and started squeezing my cock with her pussy. After what felt like ages the couple stopped looking at us and wandered off down a walking path. This was my chance I pushed on Maria's shoulders causing her to fall forward putting her hands out to stop herself from face planting,my cock popped out of her pussy and in one swift motion I was on my knees behind her lifting her dress up and plunging my cock as deep as it would go. I pounded her for maybe 30 seconds my hips moving at a frantic pace as I felt the pressure building in my balls.
Suddenly just as I started unloading my balls into Maria's pussy we heard the voices of the couple coming back arguing about something that was or wasn't in their car, I pumped my cock a few more times trying to get as much cum as possible into Maria. As I saw the top of their heads coming up the hill I pulled my cock out of Maria stuffed her knickers in her pussy so she didn't leak cum everywhere and helped her up to her feet before running to the car. I could tell by the sudden stop in the argument and the shocked look on the lady's face that she saw something she wasn't expecting. I'm not sure if it was us finishing or just me running to the car with my cock waving out in front of me but something stopped her dead in her tracks.
I started the car and drove out of the car park as fast as I could. There was about 5 minutes of silence in the car before Maria broke the silence "did you see the look on that old lady's face?"