Investigations are under way into the cause of a "partial cliff collapse" at Tolcarne Beach in Newquay.
Emergency services, including Police, Cornwall Fire and Rescue, Newquay Coastguard and Cornwall Council, were called to the incident at about 11:50am on Friday.
The Narrowcliff, directly above Tolcarne Beach, had already been closed earlier in the day after a burst water main in the early hours left some properties in Newquay with low water pressure or no supply. South West Water said repair work, which was initially estimated to take two to three hours, was completed by about 6pm.
No official link has been confirmed between the burst main and the cliff collapse, but Radio Newquay understands investigations were ongoing.
A spokesperson for South West Water said: “We repaired a burst water main at Tolcarne Beach in Newquay yesterday. We are aware of an ongoing investigation into the safety of the cliffside and are supporting the relevant partners with this.”
In a statement on Friday evening, Newquay Coastguard said: "Due to a section of cliff that had given way this morning, the stairs leading down to Tolcarne Beach were closed to the public, as was the pavement directly above the beach.
Initial assessments carried out by various agencies determined that the beach could remain open to the public, although they would have to use the roadway to access the beach for the time being."
The team added that Cornwall Council and utility companies also attended the scene. A full-time coastguard officer from HM Coastguard Padstow was called in, while RNLI lifeguards assisted at the site.
Radio Newquay has contacted the various agencies for more information.
Rip Curl Grom Search returns to Fistral Beach this weekend
Singer James Morrison donates signed guitar to Joe Way Paddle For Life raffle
Expanded Newquay rail services begin as Mid Cornwall Metro launches first phase
Rain denies Newquay cricketers as St Newlyn East enjoy successful weekend
Newquay boxer Brad Pauls to defend IBF International title in Southampton
Historic locomotive repainted in colours of life saving charity
Police continue search for missing woman with links to Newquay
New community artwork unveiled at Newquay station
Newquay Town Council to begin work on new Mount Wise Gardens play park
Newquay RNLI operations manager retires after more than 50 years of service
Documentary screening to take place in Newquay highlighting sewage pollution campaign
Boardmasters launches competition to showcase emerging artists
Hourly Mid Cornwall Metro rail service to launch this month
Community Eid celebration to take place on Newquay’s Killacourt
Artist’s night-time Newquay artwork wins mural trail contest
Documentary screening on sewage pollution to be held in Newquay
Summer night bus service to return with extended route
Police issue fresh appeal in search for missing woman last seen in Cornwall
Newquay family appeal for support as Paddle for Life marks anniversary